Paparazzi photos from Tuesday, May 31

Snooki filming Jersey Shore in Florence, Italy (pics start here)

Keira Knightley on the set of Seeking a Friend for the End of the World in Los Angeles (pics start here)

Minnie Driver arriving to Joel Silver's Memorial Day beach party in Malibu (pics start here)

Sarah Palin participating in the annual Rolling Thunder "Ride for Freedom" in Arlington, Virginia (pics start here)

Seth Rogen making a beer run in Malibu (pics start here)

UK reality stars Lucy Mecklenburgh in Marbella, Spain (pics start here)

Renee Zellweger leaving Starbucks in Santa Monica (pics start here)

Simon Cowell and fiancée Mezghan Hussainy leaving their home in London (pics start here)

LeAnn Rimes and Eddie Cibrian arriving on a flight at LAX from Cabo San Lucas, Mexico (pics start here)

Ashley Olsen arriving for a flight at LAX (pics start here)

Jon Hamm leaving a liquor store in Los Feliz (pics start here)

Robert Pattinson on the set of Cosmopolis in Toronto (pics start here)

Doutzen Kroes unveiling the new Victoria's Secret Summer Bra and Swim Collection at Eaton Centre in Toronto (pics start here)

*111 paparazzi pictures total in the gallery:

[Flynet, WENN, Pacific Coast News]