Shortly after Olivia Culpo and her husband Christian McCaffrey announced the exciting news that they are expecting their first baby together, Culpo's younger sister Sophia took to her Instagram Stories to expose her sister's pregnancy hiding tactics.

Olivia Culpo—who is pregnant with her and husband Christian McCaffrey's first baby—tried to hide her growing baby bump through a myriad of ways before the big reveal, according to sister Sophia Culpo.

Olivia Culpo and Christian McCaffrey are growing their family! The model, 32, and the San Francisco 49ers running back, 28, are expecting their first baby together, sharing the news in a post on Instagram.

Olivia Culpo is expecting a baby with Christian McCaffrey, she announced Monday. The model-actor-influencer and the NFL running back got married last summer.

The model and former Miss Universe announced Monday that she is expecting her first child with husband and San Francisco 49ers running back Christian McCaffrey. She shared a black and white Instagram photo of herself holding her belly alongside the announcement.