The couple celebrated the release of their collaborative album on 'The Tonight Show' and looked back on getting engaged last year: "It was the scariest week of my life."

Selena Gomez and Benny Blanco are sharing inside details about their love life. While promoting their new album, "I Said I Love You First," on TODAY March 21, they revealed which one of them said the adoring phrase first — and lo and behold, it was Gomez. "She said it first," Blanco said.