Fisher's sleepless nights over 'Shopaholic'

Isla Fisher was so terrified about starring in 'Confessions of a Shopaholic', she'd wake up in the middle of the night worrying about filming.

The 33-year-old took on her first leading role in the big screen adaptation of Sophie Kinsella's books about Becky Bloomwood, a financial journalist who struggles to keep her shopping addiction under control.