The Weekend's Must-See Snaps!

Who has spirit? Katy Perry roared at the football game between the Ole Miss Rebels and the Alabama Crimson Tide in Oxford, MS, on Saturday.

Ryan Reynolds was ready for Fall weather in NYC when he stepped out on Sunday.

Megan Fox and Will Arnett teamed up at an event for their movie Teenage Mutant Ninja Turtles in Berlin on Sunday.

Sienna Miller and Tom Sturridge held hands at the premiere of his movie Effie Gray in London on Sunday.

Eddie Murphy and girlfriend Paige Butcher stocked up on coffee in LA on Sunday.

Matthew McConaughey and Camila Alves hit up the Samsung Galaxy Artist's Lounge at the Austin City Limits Music Festival in Texas on Friday.

Elle Fanning donned a sleek dress at a screening of her movie Low Down in San Rafael, CA, on Saturday.

Jena Malone took over the red carpet at the premiere of Inherent Vice at the New York Film Festival on Saturday.

Sam Smith brought his powerhouse vocals to the Austin City Limits Music Festival in Texas on Friday.

Dakota Fanning made a cheerful arrival at the premiere of her movie Effie Gray in London on Sunday.

Kristen Stewart picked up some treats at 7-Eleven in LA on Saturday.

Shailene Woodley struck a pose on the red carpet at the Paris premiere of her new movie White Bird in a Blizzard on Friday.

Paris Hilton held her little puppy while out and about in LA on Saturday.

Ben Affleck and Jennifer Garner stopped by the Brentwood Country Mart in LA on Friday.

Sandra Bullock carried an umbrella on the set of Our Brand Is Crisis in New Orleans on Friday.

Alessandra Ambrosio donned shorts for her errand run in LA on Friday.

On Friday, Seann William Scott spent part of his 38th birthday on a stroll with his Labrador retriever, Spinee, in NYC.

Taylor Swift kicked off her weekend in a little black dress in NYC on Friday.

Matt Bomer kept it casual during a break from production of Magic Mike XXL in Savannah, GA, on Sunday.