Rihanna turned up unannounced on stage during a headlining set of Calvin Harris, the British DJ behind a slew of electronic-infused smash hits.
Sporting a camouflage cap, Rihanna went into her song We Found Love, which was written by Harris, to the cheers of thousands of fans at the close of three days of revelry in the heat of the California desert.
- DJ Black Coffee's set drew praise from concert-goers who took to popular social media sites Twitter and Snapchat to share their experience with friends.
The set was the first of two that Black Coffee will be performing at the festival, with the other happening this coming weekend.
