Happy Mother's Day, Halle Berry! The 46-year-old actress, who is expecting her second child, worked her pregnancy glow while enjoying a lunch out with fiance Olivier Martinez and 5-year-old daughter Nahla on Sunday, May 12.

PHOTOS: Halle Berry's second pregnancy -- see her sexy style

Berry showed off her growing baby bump in a purple tie-dye maxi

Expectant father Josh Duhamel gave a special Mother's Day shout-out to his pregnant wife, Fergie, on Sunday, May 12. The 40-year-old actor posted a sweet photo of himself holding her baby bump on Facebook.

"Happy Mother's-to-be day!" he captioned the shot. In the picture, which appears to have been taken at Fergie's sister Dana's Apr. 27 wedding,

Bloody adorable! Anna Paquin and husband Stephen Moyer have yet to say much publicly about their twin son and daughter since their August 2012 birth -- declining even to announce their names. But True Blood's real-life couple happily brought their bundles of joy to a friend's low-key bash at Paramount Park in Malibu, Calif. on the Saturday before

Baby news for Selena Gomez: She's going to be a big sister! On Sunday, May 12, the "Come and Get It" singer celebrated Mother's Day with a sweet Twitpic with her mom, Mandy Teefey. In the black-and-white snapshot, the pretty (and strikingly similar looking) mother and daughter smile for the cameras, with Selena holding her mother's unmistakeable