Selena Gomez is still unsure if she'll tour live again nearly eight years after she abruptly canceled her Revival tour due to mental health struggles. Gomez, 31, told TIME in a Wednesday ...

I'm one in a billion, baby, don't you agree?' were lyrics sung by Selena Gomez on her Revival tour in 2015 - so you'd think her iconic dress would sell for a pretty penny. However, it was ...