Hailey and Justin Bieber have announced they are expecting their first child.

The couple shared a video and images of Hailey, 27, debuting her bump in a white lace dress.

Famous faces including US reality star Kim Kardashian and model Gigi Hadid posted

their congratulations under the announcement on Instagram.

Hailey and Justin, 30, got married in a secret ceremony in New York in 2018.

The couple announced the news on their respective Instagram pages with corresponding posts.

Both begin with a short, romantic video clip of the couple kissing.

Other shots zoom in on Hailey's stomach, which are accentuated in her form-fitting gown.

Neither of the couple's respective Instagram posts feature any text other than each other's Instagram usernames.

A representative for Hailey confirmed to The Associated Press on Thursday that the model is just over six months pregnant.

In addition to modelling, Hailey is the founder of a skincare line, Rhode.