Baby Bump Brides: Engaged and Expecting!

From Mila Kunis and Scarlett Johansson to Jessica Simpson and Drew Barrymore, see who put a baby carriage before marriage

CHRISTINA AGUILERA

February 2014 was a good month for The Voice mentor: She got engaged to longtime boyfriend Matt Rutler in Hawaii on Valentine's Day (showing off her major ring days later), and on Feb. 20, announced that she and her new fiancé are expecting a child (her son Max with ex Jordan Bratman is 6). "They're very much in love and are really excited to take this next step," a source close to the couple, who met on the set of Burlesque, told PEOPLE.