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."

Carpenter is now gearing up to release her new LP, Man's Best Friend, on Aug. 29. The project was led by Billboard Hot 100 -topping single "Manchild," and just a couple of days prior to her Lolla set, the star unveiled the album's full tracklist. Sabrina Carpenter ‘s signature "Juno" arrest had TWICE the star power at Lollapalooza over the weekend.

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