The Weekend's Must-See Snaps!

Cameron Diaz and Benji Madden held hands in NYC on Saturday.

Gwen Stefani got in the holiday spirit at Knott's Merry Farm in Buena Park, CA, on Friday.

On Saturday, Lady Gaga went grocery shopping in Malibu, CA, where she recently purchased a stunning mansion.

Demi Lovato made a casual arrival at LAX on Sunday.

Melissa McCarthy and Ben Falcone were out and about in Toluca Lake, CA, on Saturday.

Nicky Hilton took a stroll in NYC on Sunday.

Gavin Rossdale had his hands full in LA on Friday.

Jodie Foster went shopping with her wife, Alexandra Hedison, at the Bristol Farms grocery store in LA on Saturday.

Scott Disick grabbed a beverage in Calabasas, CA, on Sunday.

Jake Gyllenhaal took his dog for a walk in NYC on Thursday.

Alessandra Ambrosio bared her midriff in LA on Saturday.

Harry Styles touched down at LAX on Friday.

Annette Bening attended the famous Le Bal event for debutantes with her and Warren Beatty's daughter Isabel Beatty in Paris on Saturday.

Katie Holmes was all about denim in LA on Saturday.

On Saturday, Carey Mulligan lit up with a smile during the Hennessy Gold Cup at Newbury Racecourse in Newbury, England.

Iggy Azalea smiled widely at the LA Lakers game on Friday.

Sofia Vergara had a big laugh in LA on Saturday.

Charlize Theron went grocery shopping in LA on Saturday.

Teri Hatcher went on a smiley run in LA on Friday.

Leona Lewis got in the holiday spirit at the Fayre of St. James Christmas Concert in London on Thursday.

Kourtney Kardashian's baby bump was on display when she went shopping at Barneys New York in Beverly Hills on Saturday.

David and Victoria Beckham brought their dashing looks to the London Evening Standard Theatre Awards on Sunday.