Steppin' Out: Sofia Vergara & Ed O'Neill, Alessandra Ambrosio, Rosario Dawson and more

1. 101912 Steppin Out Sofia Vergara

About to Pop: Sofia Vergara appears to be in labor while filming Modern Family with co-star Ed O'Neill on October 18 in Hollywood.

2. 101912 Steppin Out Alessandra Ambrosio

Ta-Da!: Alessandra Ambrosio reveals the Floral Fantasy Bra at the Herald Square Victoria's Secret in New York City on October 18.

3. 101912 Steppin Out Rosario Dawson

Hug it Out: Rosario Dawson and Tyra Banks embrace at The Flawsome Ball for The Tyra Banks TZONE on October 18 in New York City.

4. 101812 Steppin Out Jennifer Lopez

Keep Truckin': Jennifer Lopez dons a trucker hat when leaving the Mandarin Hotel in Paris on October 16.

5. 101812 Steppin Out Jamie Lynn Sigler

Cute Couple: Jamie-Lynn Sigler and her boyfriend, baseball player Cutter Dykstra, arrive at the 3rd Annual Autumn Party on October 17 in West Hollywood.

6. 101812 Steppin Out Gisele Bundchen

Mario's Girls: Anna Wintour, Mario Testino and Gisele Bundchen attend the opening of the Mario Testino Exhibit at the Museum of Fine Arts in Boston on October 17.

7. 101712 Steppin Out Michelle Rodriguez

Cleans Up Nicely: Michelle Rodriguez strikes a pose in a gorgeous black and lace gown at the launch dinner for the Hollywood Costume exhibit at the V&A Museum in London on October 16.

8. 101712 Steppin Out Jennifer Lopez

Good Sister: Jennifer Lopez and her boyfriend Casper Smart (far left) celebrate Jennifer's older sister Leslie Lopez's birthday at Buddah Bar in Paris on October 15.

9. 101712 Steppin Out Jessica Alba

Grocery Gals: Jessica Alba and her daughter Honor Marie Warren stop by Whole Foods in Brentwood, California for some groceries on October 16.

10. 101612 Steppin Out Jennifer Lopez

French Shopping: Jennifer Lopez and her boyfriend Casper Smart take her daughter Emme Muniz shopping in Paris on October 15.

11. 101612 Steppin Out Javier Bardem

Beautiful People: Naomie Harris, Daniel Craig, Berenice Marlohe and Javier Bardem promote Skyfall at a photo call at Crosby Street Hotel in New York City on October 15.

12. 101612 Steppin Out Penelope Cruz

Fun Day Out: Penelope Cruz takes her curly-haired son Leo Bardem to the Warner Studios Park in Madrid on October 13. 

13. 101512 Steppin Out Christina Aguilera

Ready for Halloween: Christina Aguilera with her bright pink locks and her son Max Bratman with his skeleton hoodie pick out a pumpkin at Mr. Bones Pumpkin Patch in West Hollywood on October 14.

14. 101512 Steppin Out Salma Hayek

All for Laughs: Salma Hayek goofs off with Jimmy Fallon on Late Night with Jimmy Fallon in New York City on October 12.

15. 101512 Steppin Out Eva Longoria

Rockin' Girls: Eva Longoria, Taraji P. Henson and Kerry Washington attend BET's Black Girls Rock 2012 on October 13 in New York City.

16. 101512 Steppin Out La La Anthony

Dinner Time: La La Vazquez Anthony and her husband Carmelo Anthony take their son Kiyan to City Crab in New York City for dinner on October 12.

17. 101512 Steppin Out Roselyn Sanchez

And Pumpkin Makes Four: Roselyn Sanchez and husband Eric Winter take their daughter Sebelia to the pumpkin patch in West Hollywood on October 14.