LMFAO's Sky Blu is recovering from a back injury

LMFAO took the stage to perform at the sold-out Wells Fargo Center in Philadelphia Wednesday Night for Q102's annual Jingle Ball, but RedFoo had to take care of all the party rocking while his partner in crime, SkyBlu, recovers from a back injury.
iHeartRadio caught up with RedFoo backstage, where he described SkyBlu's injury as a "shuffling accident." Go figure.
Hear what RedFoo had to say about his partner SkyBlu: