1.

Here is Paul Dano. You may know him from his most recent role as the Riddler in The Batman:

Here’s Paul Dano in his first role as Nicholas, a basketball player on T.J.’s team, in an episode of Smart Guy:

And here’s what he looks like now vs. then:

2.

Here’s Joey King. You probably know her from The Kissing Booth movies or The Act:

Here’s Joey King playing Emily from an episode of The Suite Life of Zack & Cody:

And here’s what she looks like now vs. then:

3.

Here’s Kat Dennings. You may know her from 2 Broke Girls, Dollface, Wandavision, or all of the above:

Here’s Kat Dennings in Sex and the City where she played a 13-year-old who hired Samantha to plan her bat mitzvah:

And here’s what she looks like now vs. then:

4.

Here’s Dylan Minnette who’s best known for his lead role in 13 Reasons Why:

And here’s Dylan Minnette in an episode of Grey’s Anatomy:

And here’s what he looks like now vs. then:

5.

Here’s Rachel McAdams who you may know from Mean Girls, The Notebook, The Time Traveler’s Wife, and, like, a bunch of other stuff:

Here’s Rachel McAdams in an episode of The Famous Jett Jackson as Riley’s sister:

And here’s what she looks like now vs. then:

6.

Here’s Kristen Stewart. You probably know her from Twilight and her recent role as Princess Diana in Spencer:

Here’s Kristen Stewart in her first role as “Girl in Fountain Line” in The Thirteenth Year:

And here’s what she looks like now vs. then:

7.

Here’s Emma Stone who you know from Easy A, The Help, and The Amazing Spider-Man movies:

And here’s Emma Stone in Malcolm in the Middle where she played the leader of a group of popular girls:

And here’s what she looks like now vs. then:

8.

Here’s Jennifer Lawrence. You got to know her from The Hunger Games and Silver Linings Playbook:

Here’s Jennifer Lawrence in Monk playing a mascot at a school:

And here’s how she looks now vs. then:

9.

Here’s Steven Yeun. You may know him from his roles in Minari, The Walking Dead, and Sorry to Bother You:

Here’s Steven Yeun in an episode of The Big Bang Theory playing Sheldon’s old roommate:

And here’s what he looks like now vs. then:

10.

Here’s Dianna Agron who is mostly known for her role as Quinn Fabray on Glee:

And here’s Dianna Agron on Drake & Josh playing the girl who went on a date with Drake and said she could fit her whole fist in her mouth:

And here’s what she looks like now vs. then:

11.

Here’s Mila Kunis who you probably know from That ’70s Show:

And here’s Mila Kunis in Baywatch when she played a schoolgirl named Annie:

And here’s Mila Kunis again in 7th Heaven as Lucy’s frenemy Ashley:

And here’s what she looks like now vs. then:

12.

Here’s Seth Rogen who you probably know from Knocked Up, Pineapple Express, or his many other comedy films:

And here’s Seth Rogen in Dawson’s Creek where he played a stoner who went with Joey, Audrey, and Eddie to Los Angeles:

And here’s what he looks like now vs. then:

13.

Here’s Joseph Gordon-Levitt who you may have first seen in 500 Days of Summer or 50/50:

And here’s Joseph Gordon-Levitt in Roseanne as DJ’s friend:

And here’s what he looks like now vs. then:

14.

Here’s Ryan Gosling. You probably know him from The Notebook, Crazy, Stupid, Love, La La Land, and more:

And here’s Ryan Gosling in Are You Afraid of the Dark? where he played a character who was obsessed with death:

And here’s what he looks like now vs. then:

15.

Here’s Dakota Fanning. You probably got to know her from her major roles in Uptown Girls, The Cat in the Hat, and Charlotte’s Web:

And here’s Dakota Fanning on Friends playing the girl who lived in the house Chandler and Monica bought:

And here’s what she looks like now vs. then:

16.

Here’s Jessica Chastain. You probably came to know her from The Help or Take Shelter:

Here’s Jessica Chastain on Veronica Mars where she played a survivor of abuse:

And here’s what she looks like now vs. then:

17.

Here’s Lin-Manuel Miranda. You know him as the writer of the musical plays Hamilton and In the Heights:

And here’s Lin-Manuel Miranda in an episode of How I Met Your Mother:

And here’s what he looks like now vs. then:

18.

Here’s Simon Helberg. You most likely recognize him from playing Howard on The Big Bang Theory:

And here’s Simon Helberg playing a nerd in A Cinderella Story:

And here’s what he looks like now vs. then:

19.

Here’s Jane Lynch. You most likely know her from playing Coach Sue Sylvester on Glee:

Here’s Jane Lynch as Greta on Married… with Children:

And here’s what she looks like now vs. then:

20.

Here’s Ashley Tisdale. I’m guessing you know from The Suite Life of Zack & Cody and the High School Musical movies:

Here’s Ashley Tisdale playing a student in Donnie Darko:

And here’s what she looks like now vs. then:

21.

Here’s Octavia Spencer. You probably know her for her major roles in The Help and Ma:

Here’s Octavia Spencer in Spider-Man where she played a woman who tried to talk Peter out of joining a professional wrestling event:

And here’s what she looks like now vs. then:

22.

Here’s Adam Scott who you probably came to know from Parks and Recreation:

Here’s Adam Scott in Boy Meets World where he had a recurring role as a bully:

And here’s what he looks like now vs. then:

23.

Here’s Scarlett Johansson who is best known for playing Black Widow in the MCU films:

And here’s Scarlett Johansson as the sister in Home Alone 3:

And here’s what she looks like now vs. then:

24.

Here’s Ben Affleck. You know him from his many major roles in Good Will Hunting, Pearl Harbor, and Gone Girl:

Here’s Ben Affleck as a basketball player in the Buffy the Vampire Slayer movie:

And here’s what he looks like now vs. then:

25.

Here’s John Cho who’s best known for playing Harold in the Harold & Kumar movies:

And here’s John Cho in The Flintstones in Viva Rock Vegas when he played a parking valet:

And here’s what he looks like now vs. then:

26.

Here’s Johnny Galecki who’s best known for playing Leonard on The Big Bang Theory:

And here’s Johnny Galecki appearing as Rusty in National Lampoon’s Christmas Vacation:

And here’s what he looks like now vs. then:

27.

Here’s Jessica Alba who you know from starring in many box office hits like Fantastic Four, Valentine’s Day, and Good Luck Chuck:

And here’s Jessica Alba in Camp Nowhere playing a small role:

And here’s what she looks like now vs. then:

28.

Here’s Brie Larson who you probably came to know from her roles in Scott Pilgrim vs. the World, Short Term 12, or in the MCU films as Captain Marvel:

And here’s Brie Larson as one of the Six Chicks in 13 Going on 30:

And here’s what she looks like now vs. then:

29.

Here’s Abigail Breslin. You probably came to know her from her early films including Little Miss Sunshine, My Sister’s Keeper, and Definitely, Maybe:

And here’s Abigail Breslin as one of the orphans in The Princess Diaries 2: Royal Engagement:

And here’s what she looks like now vs. then:

30.

And lastly, here’s Kiernan Shipka who’s best known for her roles in Mad Men and Chilling Adventures of Sabrina:

And here’s Kiernan Shipka playing a kid customer in an episode of Monk:

And here’s what she looks like now vs. then: