Everyone loves a good glow up, and everyone also loves a great 2000s sitcom. With some of our favorite comedy series coming out of this decade, it's also been quite some time since some of these iconic actors have played their infamous characters.

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With 2020 in full swing, there has been a long time for these famous actors and actresses to have gone through a pretty amazing glow up. Whether they were just kids back in the day, or they underwent some major life choices, there's a lot of change going around. Here are 10 famous 2000s sitcom actors with the biggest glow ups.

10 John Krasinski - The Office

This popular sitcom actually had a huge cast, but none of them even knew it. This show aired from 2005 to 2013, and we can thank this show for bringing Steve Carell and John Krasinski into our lives.

This talented actor played the iconic Jim Halpert, and his role was definitely on the more dorky side. While we absolutely love the character, we're definitely bigger fans of Krasinski. Now married to the beautiful Emily Blunt, this heartthrob is taking the big and the small screen by storm. You can currently catch him as the handsome and fierce Jack Ryan.

9 Laura Prepon - That '70s Show

Laura Prepon rose to fame by playing the intelligent and ambitious Donna Pinciotti on this sitcom show. Based in the '70s, this show ran from 1998-2006. Now, Laura Prepon plays a starring role as the mysterious and fiery Alex in Orange Is the New Black.

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Of course, this bombshell was lovable way back when, but she's certainly become a talented and mature woman that all fans can love. This beautiful gal has certainly proved her worth in the industry.

8 Alison Brie - Community

This show is full of some pretty hilarious and spectacular glow ups. Brie played Annie Edison, and was a sweet character that every fan of this show certainly loved. While this was definitely her claim to fame, Alison Brie has definitely made something huge out of her career.

Taking the starring role on the Netflix series GLOW, Alison Brie certainly proves her versatility and talent, but also that she's a bombshell that's totally worthy of crushing on. This glow up is definitely stunning.

7 Cole Sprouse - The Suite Life Of Zack & Cody / Friends

While Cole Sprouse certainly got his break on the comedy series on Disney Channel, he was also Ross's son Ben in Friends. Whichever one of these shows you binged, Cole Sprouse was certainly only a young boy in both of them.

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After taking quite the hiatus from acting, Sprouse returned talented and handsome as ever when he joined the cast of Riverdale to play the iconic Jughead Jones. Definitely no longer a kid, fans were certainly knocked off their rockers by this young man's glow up.

6 Ariel Winter - Modern Family

This comedy drama is loved by many, and while many famous actors have come out of this show, there's one glow up that certainly stands out. Airing from 2009-2020, this show just ended, but it's clear that 11 years leaves enough time for a drastic transformation.

Ariel Winter was only 11 when this show premiered, and her role as Alex Dunphy is definitely wholesome and memorable. However, this young gal is definitely a woman now, and has proved her talent time and time again. Obviously, she's also undergone a pretty incredible glow up, too.

5 Joseph Gordon-Levitt - 3rd Rock From The Sun

This glow up is probably the most mind blowing and hilarious from the list. This family sci-fi comedy aired from 1996-2001, starring some of the biggest names in Hollywood today. Of course, a young Joseph Gordon-Levitt played Tommy Solomon.

It's safe to say he was a cute and dorky kid, but now, almost 20 years later, this actor has certainly become a man of many talents. From huge blockbuster roles to stealing our hearts as a Hollywood hottie, this sitcom actor will surely never be forgotten.

4 Ashton Kutcher - That '70s Show

Ashton Kutcher is one of the most popular names of today. While he's certainly had his claim to fame for a bunch of roles, fans of this show like to believe it started right there on set. While his role of Michael Kelso was meant to be a heartthrob, he was still pretty goofy and dorky.

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Now, Kutcher has proved his talent. From being an entrepreneur to an actor to an activist to a father and husband, this actor is also one of the most handsome people we've found on our screens. Of course, that goes for his wifey, Mila Kunis, too.

3 Steve Carell - The Office

Before Steve Carell was an Oscar nominated actor, he was Michael Scott. Obviously, this talented actor was already an adult when this series was airing, but he's definitely had a glow up as he continues to age.

Born in 1962, Steve Carell is probably more handsome than he's ever been. Plus, as much as we love his hilarious role on this sitcom, he has taken on some incredible and serious roles that have blown fans ways, including Beautiful Boy and The Big Short.

2 Donald Glover - Community

Donald Glover first stole the hearts of fans with his role as Troy Barnes. This underrated sitcom ran for six seasons between 2009 and 2015, and we met some of the most talented television actors in the industry from it.

Now, Donald Glover certainly isn't a dork. Between slaying the big screen in Star Wars to crushing the music industry as Childish Gambino, fans everywhere are certainly crushing on this talented heartthrob. Seriously, there's nothing he can't do.

1 Chris Pratt - Parks and Recreation

This comedy actor definitely stole everyone's hearts as he made every single viewer laugh time and time again. This show ran from 2009-2015, so it hasn't been THAT long since we last saw Chris Pratt as Andy Dwyer.

Still, all true fans will know that this man underwent a huge transformation to become the Peter Quill (AKA Star-Lord) in the Marvel franchise, Guardians of the Galaxy. When this movie premiered, fans were certainly blown away. This handsome man is definitely our superhero, but we'll still always remember him as Andy.

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