From backstage pics to minute-by-minute scoop on VMA trending topics, we want you in on the conversation Sunday night! By Kara Klenk Jim Cantiello and the Twitter Tracker Photo: MTV News The 2010 VMAs famously sparked more than 2 million tweets. But with Sunday’s show set to kick off live with an opening set from Lady Gaga , plenty of superstar performances by nominees like Lil Wayne and Beyonc