Retna Digital

Bobby Brown and his girlfriend Alicia Etheridge welcomed a son earlier this week, he announced at a Las Vegas club last night.

"I just had a little baby boy!" Brown said during a performance at the Rok nightclub in the New York New York Hotel last night. "His name is Cassius...he was born four days ago."

His agent Ravi Dabiesingh confirms the news to, adding "they are extremely excited."

Watch video of Brown announcing the birth.

Dabiesingh told Us in February that Brown was "very excited" about expecting another baby "as [he's] big on family."

Check out Us' baby bump hall of fame.

Brown began dating Etheridge in 2007.

Brown split with Whitney Houston in 2006. They have one daughter, 15-year-old Bobbi Kristina.

Find out what your favorite '90s stars are up to now.

The "My Prerogative" singer also has three children from other relationships: Landon, LaPrincia and Bobby Jr.