sunglasses tank Christina Aguilera sweater

Yesterday afternoon a rather sullen looking Christina Aguilera stomped across the parking lot into a studio in Beverly Hills, and she didn't seem to have the time to wave hi to photogs. Talk about a d-i-v-a!

After watching a recent interview where she snaps at someone for coughing in the backround, we think the Grammy-winning singer might be getting a little too big for her britches...