THEN AND NOW: Child stars of classic holiday movies

The "Home Alone" movies, which came out in the 1990s, are holiday classics. Culkin was 10 when the first movie premiered.

He starred in other '90s movies, such as "My Girl" and "Richie Rich."

Macaulay also wrote an autobiography, co-founded a pizza-themed Velvet Underground tribute band called The Pizza Underground with which he toured before they split up in 2018, and hosted a podcast called Bunny Ears.

He has continued acting as well — among his roles, he played Michael Alig in "Party Monster" in 2003, and did voiceover work for "Robot Chicken." He is slated to appear in a 2021 episode of "American Horror Story."

Wilson was just 6 years old when she made her on-screen debut in "Mrs. Doubtfire" in 1993. She went on to play the titular character in "Matilda" in 1996.

Wilson published a memoir called "Where Am I Now?: True Stories of Girlhood and Accidental Fame," wrote a play called "Sheeple," and has bylines in various publications.

She has also lent her voice to characters in "BoJack Horseman" and "Big Hero 6: The Series."

Young Ralphie asked Santa for an "official Red Ryder carbine action, 200-shot, range model air rifle with a compass in the stock and this thing that tells time." Billingsley was just 12 years old when he played the role.

He's worked as a producer on "Iron Man," "Four Christmases," and "The Break-Up," and directed the romantic comedy "Couples Retreat." He also produced the Broadway adaptation of "A Christmas Story" in 2012.

Brodie-Sangster reprised the role for charity in the mini-sequel "Red Nose Day Actually" in 2017.

Brodie-Sangster voiced Ferb Fletcher in Disney's "Phineas and Ferb," played Jojen Reed in seasons three and four of "Game of Thrones," and played Newt in the "Maze Runner" movies.

He most recently starred as chess prodigy Benny Watts in "The Queen's Gambit" miniseries on Netflix.

Momsen was 7 years old when she held the role. She went on to star in "Spy Kids 2: Island of Lost Dreams," "Hansel & Gretel," and "Saving Shiloh."

The Pretty Reckless has released three studio albums, and Momsen hasn't acted since "Gossip Girl" ended in 2012.

When he was 14, he starred in the movie as Rusty, the son of the Clark and Ellen Griswold, played by Chevy Chase and Beverly D'Angelo.

A few years later, Galecki became known as David Healy on "Roseanne," a role he held from 1992 to 1997.

He reprised his "Roseanne" role in the series reboot and eventual spinoff "The Conners." He also starred as Leonard Hofstadter in "The Big Bang Theory" from 2006 to 2019.

He played Henry in the 2019 movie "A Dog's Journey."

Grimes played actor James Stewart's daughter. She was 6 years old when she held the role.

Grimes published "Zuzu Bailey's It's A Wonderful Life Cookbook: Recipes and Anecdotes Inspired by America's Favorite Movie" in 2000. She is also slated to reprise her famous role in "It's a Wonderful Life: The Rest of the Story" in 2021.

• Read more:
• WHERE ARE THEY NOW: 15 sets of siblings who were child stars
• WHERE ARE THEY NOW: Children who starred in classic horror movies
• 10 celebrities you didn't know were child stars
• THEN AND NOW: 25 child actors all grown up