The "SexyBack" singer gets closer to the people. Plus: Mary-Kate, Matt & Ben and more

SO YOU THINK YOU CAN DANCE?

Earlier, Timberlake gets on the TRL floor with his "biggest fan" Danielle (left) and a few others as "SexyBack" plays. The singer had invited Danielle up from Times Square after she told the MTV crew that she had waited in line all night for the Virgin signing.