Sabrina Carpenter headlined the final night of Lollapalooza on Sunday. She’s been covering a lot of ’80s pop hits for a while now, and lately she’s been able to bring some of the original artists on stage too;

On the final night of Lollapalooza, one of the festival's biggest headliners brought out music legends to help the crowd just "let loose and groove."

Our pool of genuinely funny music performers has never been large. Musicians get timid about humor, with reason. Audiences take earnest artists seriously and let time and taste catch up to anyone