Fergie and Josh Duhamel expecting first child

Pop star FERGIE and her actor husband Josh Duhamel are set to become first-time parents.

The Black Eyed Peas singer announced her pregnancy on Twitter.com on Monday.

She simply tweeted, "Josh & Me & BABY makes three!"

The expectant mum then gave fans a glimpse at what their child might look like by sharing photos of herself and her husband as kids.