On the set of his shoot with Cadillac in Los Angeles, McCaffrey, 28, tells PEOPLE that the biggest craving for Culpo, 32, who announced her pregnancy on Instagram in March, has been salads.

Christian McCaffrey Reveals Olivia Culpo’s Biggest Pregnancy Craving: ’Never Knew That Was a Thing' (Exclusive) In March, the couple announced they're expecting their first child together By ...