Happy birthday to actor Sterling Knight, actress Eva Mendes and web video star Shay Carl.Actor Sterling Knight turns 25 today. Knight is not only an actor, but a singer-songwriter and musician as well. He is originally from South Carolina and did local stage performances to start his acting career. Knight also formed an online YouTube band called Connected Channels.Knight has acted in many roles throughout his young career. His career started with a role in 2007 on the show Hannah Montana. The following year he made an appearance on Grey’s Anatomy . Knight has been on a few Disney Channel’s series and movies: Sonny with a Chance, So Random! and Starstruck. In Starstruck he sang several songs on the movie album.