EXCLUSIVE: Janet Jackson Pregnant With Her First Child 2 Weeks Shy of 50th Birthday

A source for ET confirms the singer is expecting!

Just days before Mother's Day, a source confirms to ET that Janet Jackson is pregnant with her first child.

The baby news comes after the 49-year-old singer -- who will turn 50 on May 16 -- announced last month that she will be postponing her tour to start a family with husband Wissam Al Mana. “We’re in the second leg of the tour and there actually has been a sudden change,” Jackson explained in a video posted to Twitter on April 6. “I thought it was important that you be the first to know. My husband and I are planning our family, so I’m going to have to delay the tour.”

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“Please, if you could try and understand that it’s important that I do this now,” Jackson asked of her fans. “I have to rest up, doctor’s orders. But I have not forgotten about you. I will continue the tour as soon as I possibly can."

WATCH: Janet Jackson Steps Out for First Time Since Surgery, Preps for Tour Return

Jackson secretly wed Al Mana, 41, in 2012, but didn't confirm the news until early 2013. This is the singer’s third marriage.

In 2008, ET spoke with Jackson about whether she and her then-boyfriend, Jermaine Dupri, would be open to having kids. "I would love to have children of our own, but we also would love to adopt," she said. "So, we'll see what happens. It'll happen someday."

WATCH: Janet Jackson Surprises Fans by Pretending to Be a Statue -- and It's Adorable!

When ET correspondent Cojo gushed that she would "the greatest mother in the world," Jackson responded, "Well, I hope so. People say that, but I hope so."

Check out ET's behind-the-scenes look at Jackson's new music video for "Dammn Baby."