Jessica Biel's pregnancy is finally confirmed! Biel's husband, Justin Timberlake celebrated his 34^th birthday with a bang on Jan. 31, Saturday with an exciting news. After several speculations and baby bump sightings, the singer finally announced he and his wife are expecting.

It was such a joyous day for Justin Timberlake as he celebrated his very special day with an announcement that ended the gossips that wife Jessica Biel is pregnant. The couple, who has been together since 2007, has gotten married in a secret ceremony in Southern Italy in October 2012, ABC News revealed. And now they are finally welcoming a baby boy or girl soon.

In a lastest Instagram post, proud dad-to-be Justin Timberlake share a very cute photo of himself kissing his wife, Jessica Biel's belly with a sweet caption.

"Thank you EVERYONE for the Bday wishes! This year, I'm getting the GREATEST GIFT EVER. CAN'T WAIT. #BoyOrGirl #YouNeverKnow #WeDontEvenKnow #WeAreTakingBets," the "Sexy Back" singer wrote.

It has been widely speculated that Jessica Biel is pregnant, however, it was never confirmed. But now, those rumors has become facts after Justin Timberlake confirmed the news with an endearing Instagram snapshot.

Though the pregnancy has been confirmed, Hollywood Life shared the gender of the couple's baby will remain a secret. But it was previously reported that the Timberlakes are expecting a baby girl.

While excited father-to-be Justin wanted the baby's sex to be a surprised, 32-year-old mom-to-be Jessica wanted to be prepared, a Life & Style source reported.

"Jessica is more practical and said it was silly to be surprised," the source said. "She wants to be completely prepared."

Prior to the confirmation of the baby news, Jessica Biel was already feeling good about being pregnant.

"She's in her third trimester now and feeling good," a source shared to The Daily Mirror. "She has stayed active during her pregnancy and tried to get in as much exercise as possible."

Justin Timberlake's wife, Jessica Biel has also been staying fit and healthy with a well-planned pregnancy diet and fitness routine, E! News reported.

"She has been having deliveries from local farms so she can eat fresh organic produce and be as healthy as possible throughout the pregnancy," an insider revealed. "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."

Meanwhile, after months of endless speculations and keeping the pregnancy low-key, Justin Timberlake and Jessica Biel finally confirmed that they are expecting their first child together.