Paparazzi photos from Saturday, March 17 and Sunday, March 18

Ryan Phillippe and his girlfriend Paulina Slagter leaving Ralphs in West Hollywood (pics start here)

Katy Perry leaving Public nightclub in London (pics start here)

Actors Joshua Bowman and Emily Van Camp (Revenge) shopping in L.A. (pics start here)

Jennifer Love Hewitt shopping in Beverly Hills (pics start here)

Alessandra Ambrosio arriving to the Lakers vs. Timberwolves game at The Staples Center in L.A. (pics start here)

Jack Black shopping at Tom's Toys in Beverly Hills (pics start here)

Charlize Theron at The Human Rights Campaign 2012 Gala at the Marriott in L.A. (pics start here)

Elizabeth Berkley out and about in Brentwood (pics start here)

Chelsea Handler out and about in Brentwood (pics start here)

Ashton Kutcher leaving the Kabbalah center in L.A. (pics start here)

Jessica Alba taking her daughter Haven to a doctor's check up in L.A. (pics start here)

Rihanna shopping at Whole Foods in New York (pics start here)

Vanessa Hudgens and her boyfriend Austin Butler out and about in New York (pics start here)

*135 paparazzi pictures total in the gallery:

[FameFlynet, WENN, Pacific Coast News]