Even though Ally Bross enjoyed a Destination X showmance with Shayne Cureton, it was actually costar Mack Fitzgerald who won her heart after leaving the blacked-out bus. "Turns out I DID win Destination X. In a shocking twist, I found my soulmate," Ally, 25, wrote via Instagram on Thursday, July 17, two days after fans watched her elimination on the NBC series. "To the ends of the earth. I love you, Mack ." Mack, 30, replied in the comments section, writing, "I love you ." Ally and Mack both appeared on the first season of NBC's Destination X competition, hosted by Jeffrey Dean Morgan.