Grey’s Anatomy’s beautiful star, Katherine Heigl, attended the premiere of her movie, “Knocked Up“. The movie is slated for a June 1st release here in the U.S. Premise of the movie - Guy (Seth Rogen) meets girl (Katherine Heigl), have a one night stand, eight weeks later she shows up on his doorstep to inform him she is pregnant. They try to make a go of their relationship for the sake of the baby. See photos below:

Technorati Tags: Katherine Heigl, Knocked Up, photos, premiere