Couple Alicia Keys and Swizz Beatz (Kasseem Dean) announced Thursday that they are engaged and are having a baby.

Reps for Keys and Swizz Beatz said that the musicians "are expecting a baby and are engaged to be married in a private ceremony later this year."

The two have been working together for years, collaborating on Key's albums and on Whitney Houston's comeback single "Million Dollar Bill".

In July, Swizz told MTV News that the two of them are working together on Houston's album.

"At the time, I was working on some stuff with Alicia," Swizz said.

"I was like, 'We need to bring Whitney back. We need to do some stuff to support Whitney.' Then Alicia was like, 'I love Whitney, she's an icon. I would love to be a part of that.' I started vibing on different things. I didn't want to come with anything that would make her sound too old or too young. That's when I got the vibe to do something that had, like, a disco feel, but still with the hard drums on it - still musical but moving. I wanted to do something that was instant when it came on. Then I played the idea for Alicia to make sure I wasn't bugging out. 'Am I going too far with this?' She was like, 'Nah. That can be a big smash.' "

Prior to their hookup, Swizz was married to singer Masonda and has two sons, Kasseem Jr. and Prince.

Swizz announced his divorce two years ago and rumors swirled that Keys was the reason for the separation. He denied the reports to MTV News in June 2008.

"Everybody can have their fun right now talking that dumb sh-- about my divorce and all that," he said.

"I'mma give them something to talk about. People get divorced every f---in' day. They need to worry about more serious things."