It must be annoying when you're in the midst of releasing a new song and your superstar ex-girlfriend steals your thunder by getting papped smooching a British heartthrob . We can't really relate, but we imagine that's what's going on inside Calvin Harris' head right now.Much has been made of the fact that the Scottish DJ has removed Taylor Swift from his social media accounts (and vice versa). Now he's filling the gap with Insta tributes to a new woman in his life: collaborator Rihanna.