Paparazzi photos from Thursday, July 21

Emma Roberts leaving Drybar in West Hollywood (pics start here)

Cameron Diaz filming Gambit in London (pics start here)

George Clooney riding his motorcycle in Studio City (pics start here)

English model/reality star Sophie Anderton leaving the Dylan Hotel in Dublin, Ireland (pics start here)

Jessica Szohr leaving Beacher's Mad House at the Roosevelt Hotel In Hollywood (pics start here)

Demi Lovato at the HTC Status Social launch event at Paramount Studios in L.A. (pics start here)

Jennifer Aniston and her boyfriend Justin Theroux at Heathrow Airport in London (pics start here)

Calista Flockhart jogging in Brentwood (pics start here)

Melissa Joan Hart at the 77kids store opening in Times Square, New York (pics start here)

Rebecca Black shopping at Fred Segal in West Hollywood (pics start here)

Alyssa Diaz, Sara Paxton, and Katherine McPhee at a photo op for Shark Night 3d at Petco Park in San Diego during Comic Con (pics start here)

Hugh Laurie arriving at LAX airport (pics start here)

Paulo Costanzo on the set of Royal Pains at the Intrepid Museum in New York (pics start here)

Tyra Banks arriving at Good Morning America studios in New York (pics start here)

*137 paparazzi pictures total in the gallery:

[Flynet, WENN, Pacific Coast News]