Meghan Trainor's Biggest Fans Might Be John Travolta... and Mario Lopez's Daughter!

Meghan Trainor brought her brother as her date to the Billboard Music Awards Sunday night, rocking a custom-made Michael Costello dress for her rockin' performance of "No."

The chart-topping singer told “Extra’s" Renee Bargh of the dress, “Michael Costello made this for me — isn’t that insane? It just hugs my curves.”

More in Celebrity News