On Christmas Day in 2003, Cheaper by the Dozen was released, providing the world with an entertaining family film and the best scene from Knocked Up.
In the past 10 years, the kids have become teens, the teens adults, and every time you put the 2013 version of the stars against the original film you're destined to feel very old.
See also: 'Harry Potter' Actors: Then and Now
Like your old elementary school classmates who compel you to look them up on Facebook, you might wonder what all the Baker kids have been up to.
Unfortunately, there's no way of knowing the answer to the most important question: Did any of them ever try the meat prank in real life?
After Cheaper By the Dozen, Steve Martin continued to be, well, Steve Martin. The actor starred in films like It's Complicated and The Pink Panther. He also has a pretty hilarious Twitter feed that boasts over four million followers.
Already a well-respected actress when she was Mother Baker, Bonnie Hunt only became more impressive in the following years. Her talk show, The Bonnie Hunt Show, earned her a Daytime Emmy nomination for talk show host in 2010. She's also lent her voice to recent Pixar movies Monster's University, Cars and Toy Story 3.
Ashton Kutcher enjoyed yet another role as the beautiful dimwit, when he played Nora's self obsessed boyfriend in Cheaper by the Dozen. Since 2003, Kutcher starred in Killers, What Happens in Vegas, jobs and a lot of camera commercials. He's currently starring in Two and a Half Men.
Piper Perabo played the eldest Baker kid, and the first one to leave the nest (though she was quickly roped back in). She's been in over a dozen films since Cheaper by the Dozen, including Looper and Because I Said So. She currently stars as Annie Walker, CIA agent, on USA's Cover Affairs.
Tom Welling already had a few seasons of Smallville under his belt when he played the Baker's rebellious oldest son Charlie, and he continued to step into Clark Kent's shoes through the show's tenth season in 2011. Since then he's acted in this year's Parkland, a film about the JFK assassination, and will appear in next year's Draft Day.
Hilary Duff was already known as Lizzie McGuire when she entered the Baker family. She stared in a few teen films like A Cinderella Story and Raise Your Voice in the mid-2000s, then guest starred in a string of popular shows like Law and Order: SVU, Gossip Girl, and Community. She'll appear in next year's Flock of Dudes as well as the TV movie Girlfriend in a Coma.
After playing the Baker family musician (clarinet player, to be exact) Schmidt went on to guest star on shows like Bones and CSI:NY, as well as becoming a regular on The Young and the Restless from 2008 to 2012. In 2009, he even teamed up with his former Cheaper by the Dozen co-star to direct and write her fitness video The Alyson Stoner Project.
Cheaper by the Dozen was Stoner's big film debut, but she was already recognizable to Disney Channel fans as Sally on Mike's Super Short Show. Since the film's sequel she's been the voice of Isabella on Phineas and Ferb and made guest appearances on shows like The Suite Life of Zack and Cody and House. Next year, she'll appear in the fifth Step Up movie, Step Up All In.
Mumy played half of the sentence finishing first set of Baker twins. After the sequel she landed a role in The Santa Clause 3: The Escape Clause, as well as a ton of voice acting credits. Most recently she's voiced Beth Tezuka on the web series Bravest Warriors.
After playing one of The Rock's babysitting charges in The Pacifier and appearing a few times on Hannah Montana York left acting behind. Now she's a college student who enjoys writing YA fantasy. She tweets at @Morganyorkwrite.
Jacob Smith's last film was Cheaper By the Dozen's sequel, though he did act in the pilot of 2006's Secrets of a Small Town, a show that never got picked up.
The poor little black sheep of the Baker family appeared in a few TV shows after Cheaper by the Dozen like Boston Legal and Weeds, but his last acting credit is a staring role in 2008's Spy School.
After Cheaper By the Dozen 2 Woodruff stared in the 2007 horror movie Whisper before dropping off the Hollywood radar. He tweets @BlakeMWoodruff.
The Kinsman boys, who played the Baker twins, are also well known as Desperate Housewives' Scavo twins, roles they played until the time jump in 2005. They went on to guest star on an episode of ER in 2008.
Image: Lee Celano/WireImage for Hollywood Reporter