What is the brand/model of sungles USHER was wearing when he was recently on American Idol?

Ain't sure but I guess Usher uses Fendi designed sungles. You can check it out here: a href="http://www.sunglesuk.com/c1/celebrity_sungles/usher_2_sungles.asp" rel="nofollow"http://www.sunglesuk.com/c1/celebrity…/a