But with less than 15 minutes available for the Super Bowl halftime performance, Usher kept things moving. As he performed "U Got It Bad," H.E.R. came out with a blistering guitar ...

plus a Grammy Award for their collaboration on Usher’s “Yeah!” Their catchy catchphrases and high-energy style made them a defining force in 2000s music history. “Get Low” by Lil Jon ...