The organizers of the show asked Kareena to present an award to Katrina. The Kapoor girl however refused to do so citing the reason that Katrina had also refused to give her an award. So there was a major ego clash at the award show.
Bebo is known to not have grudges against stars unless she has been enticed to do so. So is Katrina the one at fault for having shown her dislike for Bebo so publicly? We really can't say much...