Mary J. Blige showed off a whole lot of leg for her Good Morning America performance, singing her hit song “I Am” for the summer concert series. We’re digging the booty shorts, but the Rihanna-doing-Bieber bowl cut… not so much. But we’re not watching MJB to critique her hair—we’re watching her to see her blow everybody away with her killer pipes, which she expertly did during GMA performance. Watch below!