Steppin' Out: Zoe Saldana, Robert De Niro, Bradley Cooper and More!

The estrellas are stepping out today, and we've got the photos to prove it!

1. 121012 Steppin Out Zoe Saldana

There For Her Man: Zoe Saldana poses for a picture with Robert De Niro and her boyfriend Bradley Cooper at a Silver Linings Playbook event at Chateau Marmont in Los Angeles on December 7.

2. 121012 Steppin Out Jessica Alba

Breakfast Girls: Jessica Alba takes her daughters Honor and Haven Warren to breakfast in Beverly Hills on December 8, 2012.

3. 121012 Steppin Out Demi Lovato

Jet Setter: Demi Lovato arrived at LAX Airport in Los Angeles on December 7 for her flight to Washington, DC where she performed for the TNT Christmas in Washington.

4. 121012 Steppin Out Christina Aguilera

Karate Chop: Christina Aguilera takes son Max Bratman (in his karate uniform) to Houston's in Santa Monica on December 8.

5. 121012 Steppin Out Rosie Perez

Snow Bunnies: Rosie Perez and Hill Harper participate in the Deer Valley Celebrity Skifest at Deer Valley Resort on December 8 in Park City, Utah.