Erin Moriarty's Weight Loss Transformation: Diet And Workout Routine Revealed!

After browsing through many speculations, we are unveiling the truth behind the Erin Moriarty weight loss transformation that left the internet conflicted.

Sanchari Bhattacharya
Written by Sanchari Bhattacharya , Health & Fitness Expert
Updated on Mar 03, 2025 | 07:37 PM IST | 2.6M
Erin Moriarty Weight Loss Secret
Erin Moriarty Weight Loss Secret

Erin Moriarty's weight loss journey has been a matter of discussion on the internet for quite a while now. Erin, known for her role as Starlight in the television series The Boys, visibly looked thinner when she appeared in the third season of that very show. This sparked a lot of controversies, and some fans were worried about the actress, thinking she must have had surgeries or resorted to extreme diets to lose weight. But is there any truth behind these speculations? Let's find out! 

Erin Moriarty recognized the need to make healthy lifestyle choices, and her weight loss transformation was a result of a combination of dedication, healthy choices, and a commitment to self-improvement. From her professional achievements to her fitness transformation, here's all about Erin's journey!

Who Is Erin Moriarty?

Who is Erin Moriarty?

Erin Elair Moriarty, better known as Erin Moriarty is an American actress who rose to fame with her role as Annie January or Starlight in the TV series, The Boys. Born in New York, Erin began acting at the very young age of 11 years. As a teenage actor, she bagged her first role in a way aspiring individuals imagine, which is in the Emmy-nominated soap opera One Life to Live (1968) in 2010. After landing several small parts in notable films such as the sci-fi comedy The Watch (2012), and a coming-of-age drama The Kings of Summer (2013), she came back to TV and appeared in the first season of the award-winning show True Detective (2014), as the daughter of Woody Harrelson's tough character Marty Hart. She then appeared in a few TV series namely:  Jessica Jones (2015), Captain Fantastic (2016), and Blood Father (2016) before landing a starring role as Kelly in the biopic The Miracle Season (2018). This helped establish her as a fine actor allowing her to receive the most recent and renowned pivotal role as Starlight which she is currently playing since 2019.  

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Erin Moriarty’s Weight Loss Journey


Erin made a conscious decision to completely cut off unhealthy food choices and embrace a healthier and fitter lifestyle. Prior to this transformation, she openly discussed her consumption of an unhealthy diet, often indulging in beer and calorie-laden foods during her tours. Recognizing the need for change, she took a conscious decision never to go back to her old habits. In order to modify her dietary habits, she restructured her meal plan to include nutrient-rich components such as lots of fruits, vegetables, and high-protein foods. Among her preferred choices, she loves chicken paired with a variety of vegetables and a refreshing salad, showcasing her commitment to a well-rounded and balanced diet.

Furthermore, she also recognized the importance of regular exercising, especially the ones which are responsible for elevating her heart rate, such as aerobic activity. To achieve this, she incorporated a daily running routine into her lifestyle. Without fail, she engages in running sessions every single day, showcasing her determination to enhance her cardiovascular fitness.

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Erin Moriarty Diet


Erin Moriarty has been dedicated to keeping her body in good shape by following a balanced diet and a regular exercise regimen. She recently shared details about the types of foods she enjoys for her meals. While shedding light on her dietary preferences, she claims to be on a healthy calorie-deficit diet with plenty of protein. Although not exact, here is a list of foods she may eat in a day:

Breakfast:

Erin leans towards breakfast options that are high in protein like oats, and includes fruits that are packed with essential nutrients. 

Lunch:

She often opts for a combination of chicken and vegetables, paired with a refreshing salad. 

Dinner:

Erin usually prefers to keep her dinner fairly light, often choosing a vegetable-focused salad. 

Snacks:

Erin Moriarty Smoothie for Weight Loss

She finds joy in having small bites between her main meals that nourish her body. Among her preferred choices for snacks are smoothies, which she favors above other options. 

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Erin Moriarty's commitment to maintaining a wholesome diet and incorporating healthy and nutritious foods is a very smart and well-rounded approach to health and fitness.

Erin Moriarty’s Supplements


Erin Moriarty hasn't talked openly about the supplements she used for her weight loss. Moreover, there are not enough reports claiming to know the exact supplements she takes. Therefore, the only necessary supplements anyone on a strict workout routine requires are Whey proteins or protein shakes. This is to get the extra protein she talked about in the easiest form. 

She may have also used a supplement that helps burn fat. These supplements make your body burn more energy and make you feel less hungry. This means you'll use up more calories each day and find it simpler to eat less (1). However, she has not yet gone on the report to state anything about it. 

Erin Moriarty's Workout Routine

Erin Moriarty's Workout Routine

Due to her profession as an actress, Erin is required to undergo regular physical training and workout sessions. Reports indicate that she follows various workout routines throughout the week. Additionally, she is an energetic individual who loves spending time outdoors, indulging in long walks, hiking adventures, and participating in rejuvenating Yoga sessions.

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Additionally, as seen on her TV show, her character relies on physical power to carry out action scenes and flaunts a toned body, indicating that she indulges in different forms of exercise to enhance muscular growth and body strength. To achieve this kind of strength, one may adopt a workout plan centered around weightlifting. This routine will combine both strength-building exercises and weightlifting techniques. It's important to also maintain the intensity of the workout by reducing the rest time between sets. The following are a few simple yet effective exercises one may perform to achieve a body similar to Erin’s:

  • Squats
  • Press up
  • Dumbbell press
  • Leg press
  • Deadlifts
  • Shoulder press
  • Tricep pushdowns
  • Bicep curls

Fans’ Reaction to Erin Moriarty's Weight Loss

A lot of people noticed that Erin looked different from before and speculated that she must have gone under the knife. Some fans expressed that she might have had liposuction, a surgery that helps remove extra fat from the body, while others claimed that she might have had a facelift done to change the way her face looks. Many fans started leaving negative comments on her social media channel, saying she "doesn't look like herself anymore." However, there were also people who had the actor's back and provided her support through positive comments. Plus, nobody really knows for sure if she had surgery, and she hasn't said anything to confirm it either.

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Erin Moriarty's weight loss journey was no less than a roller-coaster ride. She made some serious changes in her diet and workout routine and surprised the world with her major transformation. However, as a celebrity whose life is always scrutinized, she faced backlash when she lost weight, with all kinds of speculations circling around her weight loss journey. However, there hasn’t been any confirmation provided from her about any type of weight loss surgery. In fact, her weight loss journey serves as a reminder that with healthy choices, we can become healthier and fitter.

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FAQ's

How old is Erin Moriarty the actress?
Erin Moriarty is 29 years old as of 2023.

How much weight did Erin Moriarty lose?
The exact amount of weight lost by Erin is unknown, however, she is 55kgs currently.

Did Erin Moriarty undergo face surgery to lose weight?
No, she has denied undergoing face surgery for weight loss.

Has Erin Moriarty addressed plastic surgery speculations?
Yes, she addressed these rumors, calling them baseless and false.

Is Erin Moriarty’s weight loss related to any health issues?
It’s unclear if her weight loss is related to any health issues.

Credits: Instagram
About The Author
Sanchari Bhattacharya
Sanchari Bhattacharya
Health & Fitness Expert

Sanchari, a certified Health & Nutrition Life Coach and Naturopath, has 10+ years of experi...

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