Olivia Culpo celebrated her 34th birthday with her growing family by her side. "This birthday!!!" Culpo wrote via Instagram Stories on Friday, May 8, sharing a maternity photo. In the snapshot, the model wore a bump-hugging floral sundress with cap sleeves. Culpo and her husband, Christian McCaffrey, announced earlier on Friday that they are expecting baby No. 2. "Best birthday gift ❤️," she wrote via Instagram, sharing family photos with McCaffrey, 29, and daughter Colette, 10 months. "Baby #2 coming soon." Olivia Culpo Is Pregnant, Expecting Baby No.