Zendaya (2010 vs. 2020)
Then: Zendaya starred in her first TV role as Rocky Blue in Shake It Up on Disney Channel.
Now: She's currently starring in HBO's Euphoria, Marvel's Spider-Man movies, and a TON of other upcoming movies.
Joey King (2006 vs. 2020)
Then: She played Emily in a few episodes of The Suite Life of Zack and Cody.
Now: She's a Golden Globe and SAG Award nominee for her role in The Act.
Yara Shahidi (2009 vs. 2020)
Then: Her first credited role was Olivia Danielson in the movie Imagine That.
Now: She starred on Black-ish and now has her own spin-off, Grown-ish! She also starred in the movie adaptation of The Sun Is Also a Star.
Timothée Chalamet (2008 vs. 2020)
Then: He played Samuel in a short film called Sweet Tooth.
Now: He's starred in movies like Call Me By Your Name — which he got an Oscar nom for — The King, Little Women, Beautiful Boy, and has a few more projects currently in the works.
Finn Wolfhard (2013 vs. 2020)
Then: He played Young Charles in a short film called Aftermath.
Now: He's starring in Stranger Things and Ghostbusters: Afterlife, and has been in movies like It, It Chapter Two, and The Goldfinch.
Millie Bobby Brown (2013 vs. 2020)
Then: She played Young Alice in the Once Upon a Time spin-off series Once Upon a Time in Wonderland.
Now: She's starring in Stranger Things, has a bunch of new projects in the works, created her own cosmetic line, and is an ambassador for UEFA's Together #WePlayStrong campaign.
Sophie Turner (2011 vs. 2020)
Then: She'd just started playing Sansa Stark in Game of Thrones.
Now: She finished her eighth season of Game of Thrones last summer, played Jean Gray in X-Men: Dark Phoenix, and married Joe Jonas.
Kiernan Shipka (2006 vs. 2020)
Then: She played "Girl Customer" in an episode of Monk.
Now: She played Sally Draper in Mad Men and currently plays Sabrina Spellman in Chilling Adventures of Sabrina. She's also working on a new series called Swimming with Sharks.
Noah Centineo (2009 vs. 2020)
Then: He played Josh Peters in The Gold Retrievers.
Now: He starred as Peter Kavinsky in To All the Boys I've Loved Before and the sequels. He also appeared in Charlie's Angels and will be playing He-Man in Masters of the Universe.
Amandla Stenberg (2011 vs. 2020)
Then: She played young Cataleya in Colombiana.
Now: She's been in movies like The Hunger Games; The Hate U Give; Everything, Everything; and has a new miniseries called The Eddy in the works.
Lana Condor (2016 vs. 2020)
Then: She played Jubilee in X-Men: Apocalypse.
Now: She starred in To All the Boys I've Loved Before and their sequels. She also starred in Deadly Class, and has a couple movies currently in production.
Tom Holland (2012 vs. 2020)
Then: He played Lucas in The Impossible.
Now: He's currently playing Spider-Man in the MCU, voicing Ian in Pixar's Onward, and has a bunch of other projects coming up!
KJ Apa (2014 vs. 2020)
Then: He played Kane Jenkins in Shortland Street.
Now: He's currently playing Archie Andrews on Riverdale and has appeared in The Hate U Give and The Last Summer. He'll also be starring in I Still Believe.
Olivia Rodrigo (2015 vs. 2020)
Then: She starred in the American Girl movie Grace Stirs Up Success.
Now: She starred in Bizaardvark and currently plays Nini in High School Musical: The Musical: The Series (which she has also written music for!).
Dove Cameron (2012 vs. 2020)
Then: She played Holly in a few episodes of Shameless.
Now: She starred in Descendants and its sequels, Liv and Maddie (which she won an Emmy for), and Dumplin'. She also released an EP in 2019 and starred in an off-Broadway production of Clueless.
Lili Reinhart (2010 vs. 2020)
Then: She played Leah in a series called Scientastic!
Now: She's currently starring as Betty Cooper in Riverdale, appeared in Hustlers and Charlie's Angels, and she'll be playing the lead in Chemical Hearts.
Kaitlyn Dever (2009 vs. 2020)
Then: She played Gwen Thompson in An American Girl: Chrissa Stands Strong.
Now: She's been in movies like Booksmart, Beautiful Boy, and Them That Follow. She also got an Emmy nomination for her performance in Unbelievable and plays a recurring role in Last Man Standing.
Caleb McLaughlin (2012 vs. 2020)
Then: He played Noah in a short called Noah Dreams of Origami Fortunes.
Now: He stars in Stranger Things and has a movie called Concrete Cowboys coming out soon.
Rowan Blanchard (2010 vs. 2020)
Then: She played Caitlin in a Playhouse Disney series called Dance-A-Lot Robot.
Now: She starred in Girl Meets World, appeared in The Goldbergs, wrote a book, and spoke at the UN Women and US National Committee's annual conference.
Chlöe Grace Moretz (2004 vs. 2020)
Then: She appeared in a few episodes of The Guardian.
Now: She's starred in movies like Kick-Ass, Greta, Suspiria, The Miseducation of Cameron Post, Carrie, Neighbors 2, and If I Stay. She also has a bunch of new projects currently in the works.
Gaten Matarazzo (2014 vs. 2020)
Then: He played Gavroche in Les Miserables!
Now: He stars in Stranger Things and is currently working on a new movie called Hump.