Lee Si-young was born in Cheongwon County, North Chungcheong Province, South Korea on April 17th, 1982. She made her acting debut in 2008 in a guest appearance in season 3 of the Urban Action TV Deja Vu procedural TV Action, followed by the historical drama The Kingdom of the Winds. After that, Lee Si-young actively played various roles in many dramas and films until now. Besides being famous as a talented actress, Lee Si-young is also a former amateur boxer and she has made contributions to several of her films’ soundtracks, quite the multi-talent, right? Recently, Lee Si-young surprised the public with her physical appearance that was getting more perfect every day, even after giving birth. Check out the details about Lee Si-young’s secret to a slim body!

Definition Of Perfect Slim Body

Actress Lee Si Young’s true body proportions have been garnering much interest since her appearance in Playful Kiss on September 29th, 2010. Her entertainment company at that time stated that Lee Si-young’s weight was 48 kg, with a body fat of only 4.7 kg. The average body fat for women is usually between 12 ~ 18 kg, and usually, only a professional athlete is able to maintain a body fat value like Lee Si Young’s. During the press conference of the drama Playful Kiss, Lee Si Young revealed, “I went on a boxing workout diet and lost 7 kg.” However, a representative recently revealed that not only did she lose weight from boxing, she also underwent a dietary treatment to maintain her low body fat. The representative also said, “As soon as she was cast for Playful Kiss, she began to play tennis and other sports to slim down.” In Playful Kiss, Lee Si-young had acquired a reputation for making her second-lead roles memorable and endearing in their own right, giving her characters a human, lovable side despite their role as antagonists in the narrative. To illustrate her character better, Lee Si-young lost weight by 7 kg, not only that, the fact that she only has a body fat of only 4.7 kg, indicates that she was dieting in a healthy way. That’s what makes her body look so perfect, refreshing and also certainly healthy. Her role as a senior who is not only beautiful, smart, and from a distinguished family, she is also proficient in playing tennis, of course, this requires Lee Si-young to have a perfect body. But one more important thing that Lee Si-young managed to convey besides the matter of “perfect body” through her role in this drama is self-confidence and everything requires strong effort and determination.

Shocking Body Shape After Giving Birth

In July 2017, she announced through her social media that she would be getting married on September 30th, 2017, and was 14 weeks pregnant. Five months later, Lee Si-young gave birth to her first child. Hearing news of Lee Si-young’s pregnancy, Kim Young-kwang, Lee Si-young’s co-star in the film Lookout revealed that he had no idea that she was pregnant. Kim Young-kwang was extremely surprised to hear this news and repeatedly asked if it was true. He said, “I had no idea about Lee Si Young’s pregnancy. She did the stunts herself,” and stayed quiet for a while, thinking. He then continued, “She might have done all of it while thinking that she might not have the time to do [the stunts] anymore. I’ve never talked to her about anything personal, so I didn’t know about the marriage either. We didn’t have a chance to talk much because we had to rush during the second half of the drama. I thought her action scenes were really cool, and I’m really amazed. If it were me, I wouldn’t have been able to do it. That’s amazing.” Asked to send Lee Si Young a congratulatory message, he said, “Congratulations. I really didn’t know. If I had known, I would have tried to help in any way. You pulled several all-nighters in the beginning, and that’s really something. Congratulations!” On September 24th, 2017, actress Lee Si-young participated in the 2017 Peaceful Unification Marathon and completed a half-course. She posted a photo of her holding medals on her Instagram and wrote, “It was hard because there weren’t enough restrooms, but I made it in the end. Half marathon. Thank you. My stomach wasn’t hurting, and I was in a good condition.” According to the video that she uploaded, she completed the half course in 2 hours and 46 minutes. The organizer of the marathon revealed that the average record for women in their 30s is 2 hours and 20 minutes. Seeing this, many netizens expressed their concern about the fact that Lee Si-young, who is 6 months pregnant, is running a marathon. She replied, “I am exercising very safely, checking my heart rate. There will be pacemaker on the day of the marathon and another trainer will be there as well, so I can complete the half marathon safely.” https://www.instagram.com/p/BXzz6Z8A_-G/?utm_source=ig_web_copy_link She posted on her Instagram account, “I had to hold my breath the whole day yesterday. My clothes are getting smaller now.” On September 30th, 2017, Lee Si-young married Jo Seung-hyun, a businessman who works in the restaurant industry, at a hotel in Seoul with family and friends present. Her agency Huayi Brothers shared a series of her wedding photos on October 1st. The images show Lee Si-young smiling in an elegant wedding dress. Jun Hyun-moo was the MC for the wedding, ensuring that the ceremony was joyful and comfortable all along. Actor Jung Bo-suk served as the officiator while Gummy, Huh Gak, and DJ DOC performed at the wedding. https://www.instagram.com/p/BnAuPSqD6Dh/?utm_source=ig_web_copy_link Lee Si-young gave birth to the couple’s first child, a baby boy, on January 7th, 2018, and this post was uploaded on August 28th, 2018, her body is still very slim even after she gave birth.


Aside from her entertainment career, Lee Si-young was also an amateur boxer. Despite taking up the sport in her late 20s and fighting opponents who are much more experienced and younger, in just three years, Lee established herself in the sport by winning a number of amateur titles in the 48-kg class. She initially took up boxing in early 2010 to prepare for her role as a female boxer in a TV drama for MBC, training with Hong Soo-hwan, a former WBA Bantamweight, and Super Bantamweight champion. The drama ended up not getting produced, but she quickly became stored in the sport. Lee Si-young said, “I kept it up as a hobby and was told that I had potential, so I trained really hard. Boxing changed who I am. I became more honest and extroverted, with more confidence in who I am.” She continued training, reducing her body fat from 9.9 kg to 4.7 kg, and began boxing competitively. Lee Si-young’s passion for the sport caused her agency anxiety. There were worries she might hurt herself, especially if she sustains facial injuries. A staff said, “But no matter how hard we try to persuade her, she doesn’t want to quit.” To the surprise of fans and experts alike, Lee entered and won the 7th Annual Women’s Amateur Boxing Competition in 2010, and the women’s 50-kg category at the 10th KBI National Lifestyle Athletics Boxing Championship in November of that same year. Her momentum continued throughout 2011, winning the women’s 48-kg category at the 47th Seoul Amateur Boxing Match in February, and by the RSC (Referee Stopped Contest) at the 7th National Amateur Boxing Championships in March. Lee Seung-bae, head coach of the Korean national boxing team, said Lee Si-young “has a very accurate left punch. She is tall and has long arms, a very good body for boxing,” while coach Baek Seung-won said she has “the fire and the perfect physique” to become a professional boxer, but added, “She is a bit old (to turn pro now).” She later won the rookie of the year award for Seoul-based boxers. More wins followed in July 2012 in the 48-kg women’s category at the 42nd Seoul Boxing Prematch/Amateur Boxing Federation, and the 33rd President’s Cup Amateur Boxing Contest. In December 2012, she tried out for the first time for the national women’s boxing team by competing in the under-48 kg light flyweight category at the National Amateur Boxing Championships, which doubled as the 2013 first national qualifying round. The 28-year-old was the oldest participant at the national championship with a 17 to 34 age limit. But Lee Si-young was defeated in the final of the 66th National Amateur Boxing Championships. In January 2013, she became the goodwill ambassador of the 2014 Asian Games to be held in Incheon. Shortly after, she further showed her serious commitment to the sport by joining the Incheon City boxing team. After moving to Incheon from Seoul to save time for training, Lee Si-young underwent surgery for a slipped disk and suffered from a knee injury, which meant she was unable to maintain her training program. On April 24th, 2013, Lee Si-young won the women’s 48-kg title at the 24th National Amateur Boxing Championships in a controversial 22-20 decision, making her the country’s first mainstream entertainer/celebrity, male or female, to become a national team athlete for any sport. Lee Si-young said that her dream was to represent the country at the 2014 Asian Games, and her ultimate goal to win a medal there. Since her weight class is not included in international competitions such as the Asiad and the Olympics, she upgraded to the heavier under-51 kg class. But Lee Si-young was unable to participate in the Asian Games when she failed to enter the March 2014 final tryouts (as well as the two previous ones). Kim Won-chan, manager of the Incheon City boxing team, said, “She didn’t have enough time to build up her skills for the bout. But we will keep working on her conditioning with the aim of getting her into the 2014 AIBA Women’s World Boxing Championships on Jeju Island. ” In her second bid to represent Korea at an international multi-sport event, Lee Si-young began preparing in 2015 for the first round of tryouts for the national boxing team that will compete at the 2016 Summer Olympics in Rio de Janeiro, Brazil. But recurring injuries, notably a dislocated shoulder which made her switch from an orthodox stance to a southpaw stance, led her to announce her retirement from the sport in September 2015.

Diet Tips

During a photoshoot for W Korea with the theme Nike women WOMEN’S REVOLUTION in 2017, Lee Si-young said, “Running has changed my way of life. I like to run early in the morning. If you start running like that, your day is brighter and more vibrant. If I keep running, I will improve my month, and I will improve my year.” Lee Si-young is known to workout addicts. Her Instagram is often covered with her running tracks. In one of the episodes of Baek Jong Won’s Three Great Emperors, which aired in 2017, Lee Si-young unveiled a shocking secret from her experience maintaining her weight while training as a professional boxer. “In order to stay in my designated weight class, I refused to take a shower,” revealed the actress. “When you take a shower, your body absorbs water and can make your weight increase.” She also revealed the perks of being on a national boxing team. “During the time I was with the team in Incheon, I got treated like a level six civil servant,” she said and mentioned that she even received a severance package after she retired from the sport. https://www.instagram.com/p/B0Cc5zCH3kT/?utm_source=ig_web_copy_link On July 18th, 2019, Lee Si-young shared photos of herself working out at the gym with pronounced biceps. It seems that she has been working out diligently for a specific purpose as she wrote in the caption, “It’s hard to lose muscle and gain muscle #NotEven2MonthsLeft #Fighting” Lee Si-young also revealed her InBody test results and shocked netizens once more. With a weight of 52.4 kg at 168 cm tall, her body fat percentage was only 14.1% when the average standard is 18-28%. But even so, Lee Si Young was apparently not satisfied as she stated her goal in the caption, “Until 8% body fat…#ByeByeEating.” Many netizens were amazed by Lee Si-young’s post and supported Lee Si-young to be able to reach her target. https://www.instagram.com/p/B2mLAd0HjQT/?utm_source=ig_web_copy_link On September 21st, 2019, Lee Si-young posted a picture of her meal and shared thorough diet tips. In a caption, she said, “For protein, I eat tofu, beef, eggs, tuna, beans, and buckwheat. I always try to refuel right after my workout and when I’m running short on time I drink protein supplements instead. Those are sauteed tomatoes with olive oil in the picture. I like it better with the oil because it’s more satiating. Also, I heard it’s more nutritious that way. I paired tomatoes because I heard post-workout refueling should be accompanied by at least some carbs. I know that seaweed looks a little random but whether or not you are on a diet you should consume some seaweed for your health. It’s packed with micronutrients, good for your bowel movements, and I heard it also fights fine dust. The one I eat is without added salt. Also, I like ground beef because I feel it’s easier for me to digest. Portion size-wise, 150 grams per serving seems adequate for women. Over consuming protein is detrimental to your liver and excess would not be absorbed by your body anyway. If your diet is protein-focused, consider taking liver supplements such as milk thistle. In the picture, the beef is 240 grams and I divide that between two meals. Any lean part ground up would do good. #goodnight #saynotolatenightsnacks #fighting” Aside from exercising frequently in the gym and jogging in the morning, Lee Si-young also often posts herself hiking, in the midst of her busy life as an actress and also as a mother of two children, Lee Si-young regularly exercises to be healthier. Hopefully, the dieting and exercise tips from Lee Si-young can inspire many people.

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