Meghan Trainor's 60-Pound Transformation: The Mounjaro, Strength Training, And Health Scare Secrets Revealed

Meghan Trainor's dramatic body transformation, which saw the star shed approximately 60 pounds between 2021 and the start of 2025, is one of the most talked-about celebrity health journeys in recent memory. As of December 11, 2025, the Grammy-winning singer has been incredibly open about the multifaceted approach she took, revealing that her journey was not about quick fixes but a profound shift in lifestyle, motivated by a serious health scare and supported by both medication and an intense, consistent fitness routine alongside her husband, Daryl Sabara. The "Made You Look" artist has successfully navigated the complexities of postpartum life and chronic health issues, finding a powerful new confidence that she shares openly with her millions of fans. Her story is a testament to prioritizing health, not just appearance, and provides a transparent look at the tools she used, including working with a dietician, strength training, and incorporating the medication Mounjaro into her regimen to achieve what she calls her best self.

Meghan Trainor: Full Biography and Profile

Meghan Elizabeth Trainor is an American singer-songwriter and television personality known for her upbeat, body-positive anthems and catchy pop tunes. She rose to global fame with her 2014 debut single, "All About That Bass," which topped charts worldwide and earned her a Grammy Award for Best New Artist in 2016.

• Full Name: Meghan Elizabeth Trainor
• Date of Birth: December 22, 1993
• Place of Birth: Nantucket, Massachusetts, U.S.
• Spouse: Daryl Sabara (m. December 22, 2018)
• Children: Two sons: Riley Edward Sabara and Barry Bruce Trainor
• Career Highlights: Grammy Award winner, multi-platinum selling artist, judge on reality TV shows like The Voice UK and Australian Idol.
• Key Albums: Title, Thank You, Treat Myself, and Takin' It Back.

The Health Scare That Sparked a 60-Pound Transformation

Meghan Trainor’s decision to commit to a major health overhaul was not primarily driven by aesthetics, but by a serious health issue she faced during her first pregnancy.

The catalyst for her significant weight loss journey was a diagnosis of gestational diabetes, a type of diabetes that develops during pregnancy.

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This diagnosis served as a powerful wake-up call, shifting her focus from simply being comfortable to actively managing her health for the sake of her family.

After welcoming her first son, Riley, in 2021, and continuing through the birth of her second son, Barry, her commitment to a healthier lifestyle solidified.

By early 2025, the results of her sustained effort were undeniable, with fans and media noting her dramatic new physique.

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In total, the singer revealed she lost around 60 pounds over the course of her two-baby journey, a number that reflects years of dedicated work.

Meghan's Multi-Faceted Weight Loss Strategy: Diet, Mounjaro, and Strength Training

Meghan Trainor's success is attributed to a strategic, three-pronged approach that included pharmaceutical support, a strict diet, and a consistent, challenging exercise regimen. She has been transparent that her transformation was not the result of weight loss surgery.

The Role of Mounjaro and Medical Support

In April 2025, Meghan and her husband, Daryl Sabara, publicly discussed their decision to use Mounjaro, a prescription medication often used to manage type 2 diabetes and aid in chronic weight management.

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She emphasized that the medication was used in combination with a dedicated diet and exercise plan, not as a standalone solution.

This transparency is part of her commitment to sharing the reality of her health journey, acknowledging that medical support played a crucial role in her ability to manage her weight and overall health post-pregnancy.

The 'Strict' Diet and Nutritional Overhaul

Meghan partnered with a dietician to create a sustainable and effective eating plan.

A major focus of her new diet was increasing her protein intake, which is essential for building and maintaining muscle mass, especially while strength training.

She also made the significant decision to cut out alcohol completely, a change that many people find contributes dramatically to weight loss and improved energy levels.

The goal was to establish good food habits that she could maintain while raising her children, ensuring a healthy environment for her entire family.

The Power of Strength Training with Daryl Sabara

Perhaps the most impactful change to her routine was embracing strength training.

Meghan revealed she now strength trains three times a week, a routine she shares with her husband, Daryl Sabara, who is her committed workout partner.

This intense routine is a far cry from her previous, less structured approach to fitness.

She has spoken openly about her desire to "grow my butt back" after the weight loss, highlighting her focus on body recomposition—building muscle and reshaping her figure, rather than just losing pounds.

Lifting weights not only helped her lose fat but also significantly improved her energy levels, a crucial factor for a busy mother of two young boys.

The couple's joint commitment to fitness, often sharing their gym sessions on social media, has been an inspiration for fans looking for ways to make their own health journeys a family affair.

Addressing the Critics: Confidence and Well-Being

Despite the positive changes and her newfound confidence, Meghan Trainor has had to face a wave of online scrutiny and criticism regarding her significant weight loss.

In a powerful move, she used her platform to call out the "attacks" and negative comments she received from people who questioned her methods or criticized her new appearance.

She firmly stated that she has "never felt better" and that she looks "incredible," standing by her decision to prioritize her health.

Her message is one of self-love and prioritizing personal well-being, regardless of external opinions.

The singer is now focused on maintaining her results, continuing her strength training and high-protein diet, and enjoying her life as a healthy, energized mother and artist. Her journey is a vital reminder that health is personal, and the most important measure of success is feeling strong and happy in one's own body.