John Lamparski/Getty Images; Astrida Valigorsky/Getty Images

Jason Biggs’ Weight Loss Transformation: Before and After Photos of the ‘American Pie’ Star

Apr 23, 2025 7:12 pm·

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“A part of it was I directed my first movie. Probably the most stressed I’ve ever been in my life, professionally anyway. So that contributed a little bit,” the actor told The Daily Mail on April 22, 2025.

“It’s just healthier food. I was eating crap. I bike ride. I bike a lot. I go up the west side highway to New Jersey. It’s one of my favorite things to do,” the Outmatched star explained about his diet and fitness routine.

Jason’s weight has fluctuated over the years, ever since his breakout role in 1999’s American Pie. He’s a self-admitted “ice cream man” who didn’t always keep a healthy diet.

Life & Style looks at Jason’s weight loss transformation in before and after photos.

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1999

Jason rocketed to fame in 1999’s American Pie. The film launched three theatrical sequels.

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2001

Nothing says early aughts like a purple shirt and matching tie.

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2005

Jason rocked a polo shirt and jeans for the Los Angeles premiere of The 40-Year-Old Virgin.

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2008

The Wedding Daze star looked ultra casual in a slightly ill-fitting shirt during a red carpet appearance in New York.

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2011

The Mad Love actor still had a bit of a baby face while attending the 2011 Video Game Awards in Los Angeles.

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2015

Jason showed off his sporty side during a tennis match at the 2015 Chris Evert/Raymond James Pro-Celebrity Tennis Classic in Florida.

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2018

The Orange Is the New Black star donned a long dark shirt while out and about in New York City with wife Jenny Mollen. Jason became sober the year prior, deciding to quit drinking in 2017.

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2020

Jason looked to be in great shape in a fitted a black sweater while visiting the SiriusXM Studios in New York. He showed off a noticeable weight loss from two years prior.

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2021

The American Wedding star appeared to have gained some weight back after looking slimmer in 2020, seen here at The Subject premiere.

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2022

The Loser star hid his body under a loose-fitting black T-shirt while attending a Red Hot Chili Peppers concert in New York City. He’s admitted to a fondness for ice cream and other sweet treats.

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Actor Eugene Levy Honored With Star On Hollywood Walk Of Fame

2024

Jason posed alongside his American Pie costar Eugene Levy at the Schitt’s Creek alum’s Hollywood Walk of Fame star ceremony in March 2024.

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2025

Jason turned heads with his slimmed-down frame at the City Harvest Presents The 2025 Gala: Carnaval at Cipriani 42nd Street in New York City on April 22, 2025.

When speaking about his 40-pound weight loss, Jason told The Daily Mail, “I don’t know if it was this much, but I wanted to lose weight. I wanted to bring my cholesterol down and I brought it down.”

He said it look him about “a year and a half” to shed the excess pounds.

‘It’s been a few years that I keep trying [to lose weight] and it’s forward and back, forward and back. And I guess it really stuck,” he added.

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