Ariana Grande & Zac Efron MTV Movie Awards

Ariana Grande performed her newest single, “Dangerous Woman” at the MTV Movie Awards last night, April 9, in Los Angeles. She was joined by Broadway composer Jason Robert Brown on piano for the performance.

Zac Efron was joined at the show by his girlfriend, Sami Miro. The pair seemed to be in high spirits as they joked around backstage.

The MTV Movie Awards will air tonight, April 10, on MTV.