Welp now everyone knows we had sex,” model Elsie Hewitt posted on Instagram on July 16 alongside shots of her with boyfriend Pete Davidson — and a sonogram pic. The British-born 29-year-old and the 31-year-old SNL vet were first spotted together in March during a beachy getaway in Palm Beach,

Davidson, 31, and his model girlfriend Hewitt, 29, have revealed that they are expecting their first child together.

Pete Davidson and his girlfriend Elsie Hewitt are expecting their first baby together, a source confirms to PEOPLE.