“Baby loves NYC,” the Grammy Award-winning singer, 33, captioned the shot alongside her fiancé Matt Rutler.
Later that same day, the engaged couple were all smiles while strolling in the Big Apple. Walking arm-in-arm, the happy couple kept cozy in coats while enjoying the afternoon together.
The pair, who have been dating since 2010, were engaged in February. News of their baby on-the-way broke last month as well.
The baby will join big brother Max — Christina’s son with ex-husband Jordan Bratman.