It’s official! Justin Timberlake and Jessica Biel are expecting their first child. Late last year reports came out that the pop superstar and his actress wife had a baby on the way, which was confirmed on Saturday by Timberlake.

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“Thank you EVERYONE for the Bday wishes! This year, I’m getting the GREATEST GIFT EVER,” said Timberlake, who celebrated his 34th birthday on the same day of the announcement. “CAN’T WAIT. #BoyOrGirl #YouNeverKnow #WeDontEvenKnow #WeAreTakingBets.”

In a photo posted on Instagram, Timberlake is seen kissing Biel’s baby bump, outside surrounded by snow. “Being healthy is really important to her. She is very aware of the importance of eating well. She wants to have the best pregnancy possible,” a source close to the couple tells E! News.

The very private couple celebrated their second-year anniversary in October of last year, they tied the knot during a private ceremony in Italy back in 2012.

Congrats to J.T. and Jessica!

Previously: Justin Timberlake and Jessica Biel Are Reportedly Expecting First Child Together