Los Angeles, Sep 4 (IANS): Singer Nick Lachey and his wife Vanessa have announced that they are expecting baby number three.

The couple already have son Camden and daughter Brooklyn Elisabeth.

Sharing a photograph on Instagram, the couple and their two children, three-year-old son Camden and 18-month-old daughter Brooklyn Elisabeth, pose atop packed boxes on the stoop of their new house, reports reports mirror.co.uk.

"We got a new crib! Now we need a new crib!" the announcement read.

"Lachey Party Of 5 and Wookie," Vanessa added to the shot.

There is also a red heart drawn around Vanessa's stomach as she cradles her growing baby bump.

The new addition to their family will be arriving in spring 2017.

The couple started dating in 2006 after Vanessa appeared in the former 98 Degrees singer's music video for song "What's left of me".

Despite breaking up in June 2009, they got back together just four months later and went onto marry in July 2011.