Congratulations are in order! Molly Sims is pregnant with her third child, according to People magazine. The model-actress and husband Scott Stuber already have two children at home, 4-year-old son Brooks Alan and 16-month-old daughter Scarlett May. The couple's new baby will arrive at the end of the year. "It's a Hail Mary!" 43-year-old Sims told the magazine. "I'm so happy—we're so blessed. We were so shocked, but we're thrilled." Sims admitted to the publication that she and Stuber were not expecting another child, joking that it was the result of "what happens when I go visit my husband on the movie set." Although they...