Justin Timberlake has confirmed via Instagram that he and wife Jessica Biel are expecting a baby!

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Timberlake made the announcement on his birthday Saturday by captioning, "Thank you EVERYONE for the Bday wishes! This year, I'm getting the GREATEST GIFT EVER. CAN'T WAIT. #BoyOrGirl #YouNeverKnow #WeDontEvenKnow #WeAreTakingBets"

According to a source, Biel is at least five months along and has been "feeling really good" during her pregnancy. "She's in her third trimester now and feeling good," says the source. "She has stayed active during her pregnancy and tried to get in as much exercise as possible."

Although the couple has been keeping this news on the down-low, fans and friends of the couple have had a feeling that something was about to pop. This will be the couple's first child. Whether it will be a boy or a girl will be announced soon.

Source: Eonline.com