While 16-year-old Danielle Bradberry made headlines after being the youngest person in the history of "The Voice" to win the competition, she wasn't the only one who rocked Tuesday night's season four finale.

Former "Voice" mentor Christina Aguilera and music icon Cher also performed on the NBC reality show, and they were hot!

Aguilera showed off a slimmer figure in a tight black pencil skirt and see-through metallic blouse that revealed a hot pink bra underneath. She performed "Feel This Moment" with rapper Pitbull.

According to Us Weekly, the singer dropped about 20 pounds after she fa...