The long, long wait for sexy is finally over. At 4:30 today, the “SexyBack” video from hometown hottie Justin Timberlake debuts on MTV’s Making the Video. We’re sure your boss will understand if you knock off a little early for this monumental and sexy event. Can’t wait until 4:30? Then go to JT’s Myspace page to see pics from the Barcelona shoot. As of this posting, JT had 52,390 friends ย— go ahead, make it 52,391. You know you want to.