Ariana Grande Goes Glam for Opening Night of Ethan Slater's Broadway Show 'Spamalot'

Ariana Grande Supports Boyfriend Ethan Slater at Broadway Opening Night in 'Spamalot' (Photos)

Ariana Grande exudes glamour in plunging velvet dress as she's mobbed by fans at opening night of new boyfriend Ethan Slater's musical Spamalot

Ariana Grande, Ethan Slater Share Sweet Moment on 'Wicked' Red Carpet