13 Going on 30 star Christa B Allen is looking back on her iconic role ... coloured gown with light blue straps and a slit. The actor, who had her hair in a high ponytail, paired the outfit ...

Think 'Big' but with an attractive woman in the main role. 13 Going on 30 opens in 1987 and sees Jenna (Christa B. Allen) celebrating her birthday. After she ignores the advances of her best pal ...