It’s all laughs on the set as wise-cracking mega hunk Gerard Butler gets a giggle out of his co-star Katherine Heigl on the Pasadena, CA set of their upcoming romantic comedy, The Ugly Truth, on Monday.

After spending much of her strike-prompted hiatus from work decorating her new house and chain smoking cigarettes, the Grey’s Anatomy beauty has finally commenced production of her latest sure-to-be box office hit.

This time around, Katherine plays a romantically challenged morning show producer who is reluctantly embroiled in a series of outrageous tests by her chauvinistic correspondent (Gerard) in order to prove his theories on relationships and help her find love. His clever ploys, however, lead to an unexpected result.