In Pictures: Channel 933 Summer Kickoff in Chula Vista, CA

The San Diego-area's Cricket Wireless Amphitheatre hosted the Channel 933 Summer Kickoff concert on Friday (5/11), an event presented by Function Alternative Energy Drink.

Fans enjoyed spectacular summer weather as they packed the house to hear such acts as Flo Rida, Maroon 5, Gym Class Heroes, Wiz Khalifa, The Wanted, Dev, DJ Havana Brown, Karmin and The X Factor's Chris Rene. Some lucky winners, who entered online received backstage passes with specifically designated meet-and-greet privileges.

SoundSpike photographer Alan Hess was on the scene to get stills of the action, and here are some of his best shots. --View Larger Photos