Big Brother's Zach Rance says friend and castmate Frankie Grande helped him figure out he is bisexual.The reality contestant, 30, explained how 'hooking up' with the YouTuber, 37, made him rethink if he was straight during a conversation with the Mental Health Collection and With Love, Alexaon Tuesday.While Rance admitted he'd only been attracted to women before, he said things changed when 'fell in love' with Frankie 'as a person' during their 2014 appearance on season 16 of the show.