Fergie and Josh Duhamel expecting a baby boy

It's a boy (to-be) for Fergie and hubby Josh Duhamel!

The 40-year-old actor revealed the big news during a pre-taped interview airing Wednesday on "Live! With Kelly and Michael."

The songstress, 38, announced her pregnancy in February. This is the first child for the pair, who tied the knot in 2009.