Paparazzi photos from Wednesday, October 24

Katy Perry on the set of a commercial for Popchips in L.A. (pics start here)

Imogen Thomas arriving to the Swalk Salon Product Launch in London (pics start here)

Nicky Hilton leaving a waxing salon in L.A. (pics start here)

Scarlett Johansson filming Under the Skin in Glasgow, Scotland (pics start here)

Audrina Patridge shopping at Neiman Marcus in Beverly Hills (pics start here)

Reese Witherspoon shopping in Beverly Hills (pics start here)

Marion Cotillard arriving at LAX airport for a flight (pics start here)

Jennifer Lopez and her boyfriend Caper Smart leaving Harrods in London (pics start here)

Christina Applegate heading to the set of Up All Night in L.A. (pics start here)

Christina Hendricks and her husband Geoffrey Arend leaving The Pikey in Hollywood (pics start here)

Halle Berry leaving Bristol Farms in Beverly Hills (pics start here)

Mariska Hargitay promoting Law & Order: SVU in New York (pics start here)

Kourtney Kardashian shopping in West Palm Beach (pics start here)

*117 paparazzi pictures total in the gallery:

[FameFlynet, WENN, INFphoto.com, Bauer Griffin]