Motley Crue bassist Nikki Sixx, 60, expecting with wife Courtney, 33

Musician Nikki Sixx (L) and Courtney Bingham arrive at the premiere of "Sound City" at ArcLight Cinemas Cinerama Dome on January 31, 2013 in Hollywood, California. (Getty)

The Motley Crue family is growing!

Bassist Nikki Sixx, 60, and his wife Courtney, 33, announced they are expecting their first child together.

“We are over the moon excited to be having a baby! Nikki is going to be the most amazing dad in the world because he already is,” the Hollywood DIY expert told Us Weekly Wednesday.

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This is the first child for Courtney but her rocker husband has four children from previous marriages. He shares Gunner, 27, Storm, 24, and Decker, 23 with his first wife Brandi Brandt and a daughter, Frankie-Jean, 17, with Donna D'Errico, his second wife.

Sixx and Courtney wed in March 2014 after becoming engaged in 2012.