Christa B. Allen, who played young Jenna Rink in "13 Going on 30," re-enacts some of her best lines and reveals what Jennifer Garner taught her.

Christa B. Allen, best known for her role as Jennifer Garner 's younger counterpart in 13 Going on 30 and for her role as Charlotte Grayson on Revenge, is one of three stars of the new reality ...

Christa B. Allen, best known for her role as Jennifer Garner 's younger counterpart in 13 Going on 30 and for her role as Charlotte Grayson on Revenge, is one of three stars of the new reality ...

13 Going on 30 star Christa B Allen is looking back on her iconic role while wearing a recreation of the signature Versace dress from the film. In the video, Allen could be seen wearing a multi ...

Christa B. Allen (Young Jenna Rink) Playing the young Jenna Rink in 13 Going On 30 was Christa B. Allen, and she’s appearing in both movies and TV shows since her big role in the romantic comedy.

It's been two decades since she starred in 13 Going on 30 - and now Christa is embarking on an exciting adventure which will see her jet off to Rome in a bid to find her own happily ever after.

The film "13 Going on 30" is celebrating 20 years since it premiered. Take a look at where cast members, including Jennifer Garner and Mark Ruffalo, are now.

Christa B. Allen (32), who captivated audiences as the younger version of Jennifer Garner's Jenna Rink in "13 Going on 30," is ensuring the film's 20th anniversary leaves a lasting impression.