Paparazzi photos from Saturday, August 20 and Sunday, August 21

Rihanna performing at the 2011 V Festival in Chelmsford, UK (pics start here)

Donnie Wahlberg and Jennifer Esposito on the set of Blue Bloods in New York (pics start here)

Isla Fisher riding a bike in the West Village of New York (pics start here)

Jennifer Love Hewitt at the 2011 Angel Awards in Hollywood (pics start here)

Tiffani Thiessen out and about in New York (pics start here)

Demi Lovato leaving CVS pharmacy in L.A. (pics start here)

Padma Lakshmi and her daughter Krishna Thea Lakshmi out and about in New York (pics start here)

Michelle Rodriguez arriving for a flight at LAX airport (pics start here)

Paris Hilton leaving the Kate Somerville Skin Care store in West Hollywood (pics start here)

Patrick Schwarzenegger out and about in Brentwood (pics start here)

Pete Wentz taking his son Bronx to a birthday party in L.A. (pics start here)

Fergie and Josh Duhamel arriving on a flight at LAX airport (pics start here)

Alexa Chung out and about in the East Village of New York (pics start here)

Jason Bateman, wife Amanda Anka, and their daughter Francesca out and about in Malibu (pics start here)

*122 paparazzi pictures total in the gallery:

[Flynet, WENN, Pacific Coast News]