Photo: Snoop Dogg, Jay-Z and Justin Timberlake

Snoop Dogg, Jay-Z & Justin Timberlake

Backstage at last weekend's Wireless Festival in London, Snoop Dogg, Jay-Z and Justin Timberlake posed for this photo, with Snoop wearing his "I ♥ California" medical-marijuana shirt.

Jay-Z, Timberlake and Rihanna all performed together on Sunday. Snoop was one of Friday's headliners.

On Saturday night, two men were stabbed as the show went on at Queen Elizabeth Park.

Steve Bloom

Steve Bloom

Publisher of, former editor of High Times and Freedom Leaf and co-author of Pot Culture and Reefer Movie Madness.