‘13 Going on 30’ child star Christa Allen is now 30!

Our beloved 13-year-old is now "30, flirty, and thriving!"

"13 Going on 30" star Christa Allen, who played 13-year-old Jenna in the 2004 film, just turned 30 years old!

To celebrate her birthday, the actress and TikTok star released a 5-part mini series titled "Vienna" on the social platform.

@christaallen Vienna - part 5 ???? @lana.renee @welcometoheidi @yourkoreandad @clubpenguinlily #thirtyflirtyandthriving #shotoniphone ? Dreamscape - Austin Farwell

In the mini series, Christa interacts with her own 13-year-old self and questions some of the themes in the hit romance comedy film.

"When I started my TikTok journey 2 years ago, I had no idea how much people would love '13 Going on 30' content," she wrote on Twitter, Wednesday.

Vienna part 5/5 ???? thank you for all of the incredible birthday wishes!! I hope you’ve enjoyed this gift from @welcometoheidi @NickCho and I ? 30 ain’t so bad, y’all. ???? pic.twitter.com/18i8ka8Otl

— Christa Allen ???? (@ChristaAllen) November 12, 2021

"After several videos went viral, fans were asking for a sequel by the hundreds. This short series 'Vienna' is less of a sequel, more of a response—I hope you love it!"

She released the last part of "Vienna" on her birthday. "Thank you for all of the incredible birthday wishes!!" she said. "30 ain't so bad, y'all."

when I started my TikTok journey 2 years ago, I had no idea how much people would love “13 Going on 30” content. after several videos went viral, fans were asking for a sequel by the hundreds. this short series “Vienna” is less of a sequel, more of a response- I hope you love it!

— Christa Allen ???? (@ChristaAllen) November 9, 2021

In the past year, Christa went viral on TikTok after she recreated some of the most iconic outfits and scenes on "13 Going on 30." As of writing, Christa now has over 1.7 million followers on Tiktok and almost 40 million likes.

@christaallen ????? do you think they made it $13 on purpose ???? #13goingon30 ? The Purge - Demetrius X

"13 Going on 30," which starred Jennifer Garner and Mark Ruffalo, revolved around a 13-year-old girl who wished to turn 30 after a disastrous birthday party.

One day, she wakes up having her wish come true and tries to navigate the adult life with a teenage heart. – Kaela Malig/RC, GMA News