Rita Ora and Taika Waititi used the Suicide Squad premiere to step out together at an event for the first time.The glare of the world didn't seem to faze the couple, who looked relaxed and happy as they strolled together while holding hands and posing for photos before settling down to watch Taika on the big screen. But who is Rita's new man following her split from Romain Gavras and how did their relationship start? We find out...