Kelly Osbourne, Joe Jonas hit Coachella week two - pics

The second weekend of Coachella 2012 kicked off yesterday, with big names stars in attendance on the opening day.

Repeating last friday's line-up, The Black Keys, Pulp, Swedish House Mafia, M83, The Rapture and Horrors performed yesterday at the desert event.

Backstage, soaking up the sun and knocking back the drinks, boyband star Joe Jonas mingled with the likes of eighties actress Melanie Griffith, Rihanna's Battleship co-star Alexander Skarsguard and Transformers actress and model, Rosie Huntington-Whiteley. Rock and roll heiress Kelly Osbourne was also in attendance, tweeting a photo of her and a male friend ahead of their arrival.

Coachella has been in the news since last weekend's event, thanks largely to Rihanna's antics at the event. She was spotted sat on a man's shoulders, having spread a mysterious white substance on his head.

See the latest backstage shots from the second weekend of Coachella below.