Steppin' Out: Max & Emme Muniz, Rosie Perez, Nicole Richie and more

1. 051612 Steppin Out Max & Emme

Shopping Siblings: Jennifer Lopez and Marc Anthony's twins, Max and Emme Muniz, shop with their nannies in Calabasas, California on May 15.

2. 051612 Steppin Out Nicole Richie

Giraffe Group: Nicole Richie (second from right) and her husband Joel Madden (left) take their children Harlow Winter Kate Madden and Sparrow Midnight James Madden to the Taronga Zoo in Sydney, Australia.

3. 051512 Steppin Out Ad

4. 051612 Steppin Out Rosie Perez

LOL: Former couple Ramon Rodriguez and Rosie Perez share a laugh at the 2nd Annual Montblanc presentation of The 24 Hour Plays Los Angeles announcement on May 15 in Beverly Hills.

5. 051512 Steppin Out Cameron Diaz & Jennifer Lopez

Expecting Actresses: Jennifer Lopez and Cameron Diaz attend the premiere of their movie What to Expect When You're Expecting in Los Angeles on May 14.

6. 051512 Steppin Out Demi Lovato

X-traordinary Group: L.A. Reid, Demi Lovato, Simon Cowell and Britney Spears present the re-vamped X Factor during the Fox 2012 Programming Presentation Post-Show Party in Central Park on May 14 in New York City.

7. 051512 Steppin Out Jennifer Lopez

Lean on Me: Jennifer Lopez and her on-screen husband, Rodrigo Santoro, look adorable together at the Los Angeles premiere of their movie What to Expect When You're Expecting on May 14.

8. 051512 Steppin Out Eva Longoria

On to the Next Thing: Fresh off the finale of Desperate Housewives, Eva Longoria wastes no time and begins promoting her new endeavors at the NBC Upfront Presentation on May 14 in New York City.

9. 051512 Steppin Out Naya Rivera

Riding in Style: Naya Rivera gets a ride to the FOX Upfront Presentation in Central Park on May 14 in New York City.