After Lollapalooza, Rodrigo wrapped her GUTS tour shows when she played Osheaga Festival in Montreal on Aug. 1 and 3.

The singer/songwriter was then joined onstage by Weezer trio Rivers Cuomo, Brian Bell and Scott Shriner to play Buddy Holly ...

Sabrina Carpenter's headlining set at Lollapalooza in Chicago on Sunday boasted a surprise appearance from Earth, Wind & Fire ...