Mitchel Musso & Meaghan Martin Mix It Up

Mitchel Musso and Camp Rock cutie Meaghan Martin spend a day with the kids at Mix 94.1′s 4th Annual Kid’s Mix 2009 in Las Vegas on Saturday afternoon (May 16).

The duo, both 17, enjoyed a day at Sunset Park with the kids and rocked out to a performance by Honor Society.

Mitchel tweeted from the event, saying, “I am at an autograph signing at KYDZ Kids Fest. Hope your Saturday was out of this world!”

10+ pics inside of the 4th Annual Kid’s Mix 2009…