The 32-year-old pop megastar shocked fans by announcing the couple's upcoming collaboration, 'I Said I Love You First,' will drop on March 21.

Selena Gomez and Benny Blanco are engaged to be married, but the couple started out as friends and collaborators

Benny Blanco admits getting "sappy" when talking about fiancée Selena Gomez. "I worship the ground she walks on and I feel like she’s the same way to me," the musician said.