Why Ariana Grande Is ‘So Happy’ People Are Getting to Know Boyfriend Ethan Slater (Exclusive)

Why Ariana Grande Is ‘So Happy’ People Are Getting to Know Boyfriend Ethan Slater (Exclusive)

Ariana Grande chats with ET’s Denny Directo as she gushes over Ethan Slater at the premiere of ‘Wicked,’ which hits theaters Nov. 22.