Olivia Culpo is celebrating a milestone year as she prepares for her very first Mother's Day this weekend. As the annual day to honor maternal caregivers comes around, she is embracing her own experience with motherhood while also using her platform to support other new moms. The former Miss Universe winner welcomed daughter Colette with her husband, San Francisco 49ers star Christian McCaffrey, in 2025. The couple recently took to social media to announce the upcoming arrival of baby number two , making Culpo's first Mother's Day celebration even more special. Ahead of Mother's Day weekend, Culpo partnered with Huggies and Baby2Baby for a campaign focused on supporting mothers and infants experiencing poverty. In social media posts shared over the last month, she said that she is "proud" to work alongside the program as she approaches her maiden Mother's Day.…