Christa B. Allen is thirty, flirty and thriving! The actress, who played the younger version of Jennifer Garner 's Jenna Rink in 2004's 13 Going On 30 , celebrated her 30th birthday on Thursday.

“Revenge’s” Christa B. Allen called the awards show something of a reunion of longtime pals — she grew up auditioning alongside honoree Lucy Hale and presenter Aimee Teegarden.