Grey's Anatomy star Katherine Heigl enjoyed in little company in the form of her best friend, T.R. Knight, during a shopping trip to Americana at Brand, a shopping mall in Glendale, Calif., on Tuesday afternoon. Check it out ...

During their visit, the Grey's Anatomy stars hit up the Apple store, Sephora and some other institutions. Always fun to see them out and about!

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.