what happened?

Noah:*he dances with Ava and smile Ava looks over at Bella and smirks Noah looks at Bella to and Ava* Noah: Ava why are you smiling? Ava: I uh...*Noah he looks at Bella's dress and smile and walks over*Ella:*she kisses Sage* William: Ava you don't want to dance with me......Ava: NO! *she cuts Bella's dress* Noah: Bella! *he runs after her*