Kate Bosworth Has Meat Free Monday

21 star Kate Bosworth poses with Stella McCartney at the “Meat Free Monday” event at St. James Park in London on Monday (June 15).

Sir Paul McCartney and daughters Stella and Mary are launching this new food campaign designed to help slow climate change by having one meat free day a week.

Kelly Osbourne and Moby also stopped by to lend their support.

10+ pictures of Kate Bosworh and her meat free Monday…