Singer Sabrina Carpenter's performance at Lollapalooza is taking social media by storm. She performed with the Chicago-based band Earth, Wind, and Fire. Her videos from the event are going viral.

The veteran R&B act ran through two of their most iconic hits with the "Espresso" singer on Sunday night (Aug. 3) in Chicago.

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