Charli XCX performs at W Hollywood during WAKE UP CALL, the weekend-long music festival from W Hotels Worldwide in Los Angeles.

Leon performs at W Hollywood during WAKE UP CALL, the weekend-long music festival from W Hotels Worldwide in Los Angeles.

Swedish singer Lykke Li performs during her concert on the first day of the 26th Sziget (Island) Festival on Shipyard Island, Northern Budapest, Hungary.

A light installation is seen on the first day of the 26th Sziget (Island) Festival on Shipyard Island, Northern Budapest, Hungary. The Sziget Festival is one of the biggest cultura...

A festival goer backdropped by a light installation on the second day of the 26th Sziget (Island) Festival on Shipyard Island, Northern Budapest, Hungary.

People are silhouetted against a light installation on the second day of the 26th Sziget (Island) Festival on Shipyard Island, Northern Budapest, Hungary. The Sziget Festival is on...

Festivalgoers appear at Lollapalooza in Grant Park in Chicago.

Camila Cabello performs on day one at Lollapalooza in Grant Park in Chicago.

The American pop rock band Imagine Dragons with lead vocalist Dan Reynolds performs at the Xfinity Center, in Mansfield, Mass.

General atmosphere at The Governors Ball Music Festival at Randall's Island Park in New York.

Rapper Travis Scott performs at The Governors Ball Music Festival at Randall's Island Park in New York.

A participant in a fancy costume performs at the Wave Gothic Festival (WGT) in Leipzig, Germany.

A participant in a fancy costume poses for photographers at the Wave Gothic Festival (WGT) in Leipzig, Germany.

A participant looks in a mirror at the Wave Gothic Festival (WGT) in Leipzig, Germany.

A participant performs at the Wave Gothic Festival (WGT) in Leipzig, Germany.

A participant attends the Wave Gothic Festival (WGT) in Leipzig, Germany. Approximately 20,000 fans are expected to attend the world's largest gothic and 'dark' culture festival u...

Participants of the so called 'Victorian Picnic' walk in fancy costumes during the Wave Gothic Festival (WGT) in Leipzig, Germany.

A participant of the so called 'Victorian Picnic' performs in a fancy costume during the Wave Gothic Festival (WGT) in Leipzig, Germany.

Participants in fancy costumes arrive at the Wave Gothic Festival (WGT) in Leipzig, Germany.

A participant of the so called 'Victorian Picnic' performs in a fancy costume during the Wave Gothic Festival (WGT) in Leipzig, Germany.