Rihanna and Chris Brown sent shockwaves across the Internet with their remix to “Birthday Cake,” but that’s not the only surprise they were cooking up. RiRi returns the favor to her ex by adding her vocals to his club anthem “Turn Up the Music.”

“Turn up the music ’cause I feel a lil’ turned on/ Turn up the music, fill me up and take me down,” she sings. We hear you loud and clear.