What song of Sel's did Kelly decide to sing? She busted out the heart-wrenching, "The Heart Wants What It Wants". You know, the song that was SO written with Justin Bieber in mind.
Kelly captured Sel's emotion in the song, and totally rocked the tune. This isn't the only young superstar cover Kel's done lately. She just covered a Demi Lovato song, too.
Take a look and listen to Kelly sing Selena's hit song in the video, below. Whose version do you prefer?