Christina Aguilera has shown off her blossoming baby bump by sharing a touching family snap online.

The singer is expecting a child with her fiance Matt Rutler and she shared her joy with followers on by uploading a picture of the proud parents-to-be.

In the picture, Aguilera is seen sporting a large baby bump, while Rutler rests a hand on her belly.

The Fighter star captioned the snap, "Baby loves Nyc."

Aguilera is already mother to a son named Max with her ex-husband Jordan Bratman.