Kevin Richardson is to be a dad again.

The Backstreet Boys singer is expecting his second child with wife Kristin Willits.

Kevin, 41, took to Twitter on Sunday to share the exciting news.

“So excited to share… The Easter Bunny brought a very special egg this year,” he gushed.

The boy band star also posted a picture of Kristin grinning ear-to-ear as she smiled next to a life-sized Easter Bunny and showed off a prominent baby bump.

The couple married in 2000 and also share a five-and-a-half-year-old son, Mason.

It’s a big year for the Backstreet Boys both personally and professionally.

Howie Dorough welcomed a son in February and bandmate A.J. McLean welcomed a daughter in November.

The group recently reunited with Kevin, who quit the band back in 2006 but announced he was re-joining the group last summer after a six-year hiatus.

Backstreet Boys is now making a comeback with a documentary, album and world tour all in the works.

"We always wanted to make a film and now is the ideal time - with Kevin back, the fact that we are masters of our own destiny, a new album in the works and our 20th anniversary all adds up to being the right time to share our story," the band said in a statement late last year.

Rolling Stones documentarian Stephen Kijak is helming Backstreet Boys – The Movie.