This year’s VMAs will have no shortage of scene-stealing diva moments – the opening number alone features Nicki Minaj, Ariana Grande and Jessie J teaming up for a live rendition of their new collaboration, “Bang Bang.” Taylor Swift also will take the stage tonight, and Iggy Azalea and Rita Ora will team up, and Miley Cyrus will be featured prominently as an audience member. But the night will, or should, belong to Beyoncé, who receives the Michael Jackson Video Van