Alek Skarlatos

On Aug. 21, 2015, the world watches in stunned silence as the media reports a thwarted terrorist attack on a train that's bound for Paris -- an attempt prevented by three young Americans traveling together through Europe. The heroic and courageous actions of Anthony Sadler, Alek Skarlatos and Spencer Stone help to save the lives of more than 500 passengers on board.

The competition sees celebrities perform choreographed dance routines which are judged by a panel of renowned ballroom experts and voted on by viewers. Enjoy sizzling salsas, sambas and spray-tans as they vie for the coveted Mirrorball Trophy.