Kesha at the 2016 Billboard Music Awards at T-Mobile Arena in Las Vegas 05/22/2016

Kesha at the 2016 Billboard Music Awards at T-Mobile Arena in Las Vegas 05/22/2016-1

The 29-year-old pop singer Kesha, who wrote “Till the World Ends” for Britney Spears, at the 2016 Billboard Music Awards at T-Mobile Arena in Las Vegas, Nevada.

Kesha at the 2016 Billboard Music Awards at T-Mobile Arena in Las Vegas 05/22/2016-2

Kesha at the 2016 Billboard Music Awards at T-Mobile Arena in Las Vegas 05/22/2016-3

Kesha at the 2016 Billboard Music Awards at T-Mobile Arena in Las Vegas 05/22/2016-4

Kesha at the 2016 Billboard Music Awards at T-Mobile Arena in Las Vegas 05/22/2016-5