Josh Duhamel and Fergie arrive at the American Red Cross...

[object Object] Credit: AP and Fergie arrive at the American Red Cross Santa Monica 2011 Red Tie Affair at Fairmont Miramar Hotel in Santa Monica, California. (April 9, 2011)

Fergie and husband Josh Duhamel are expecting their first child, the singer confirmed Monday via Twitter.

"Josh & Me & BABY makes three!!! #mylovelybabybump," Fergie posted, along with an Instagram photo composite of the couples' baby pictures.

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Fergie and husband Josh Duhamel are expecting their first child, the singer confirmed Monday via Twitter.

"Josh & Me & BABY makes three!!! #mylovelybabybump," Fergie posted, along with an Instagram photo composite of the couples' baby pictures.

Fergie, 37, and the "Safe Haven" actor, 40, have been the subject of baby rumors on and off since their 2009 wedding, which took place in Malibu.

Congrats!

Photo credit: Instagram