Looks like Sheen has gotten his way and will be marrying his baby mama, Brooke Mueller TONIGHT!

"They've been busy working on having a baby," confides a pal. "They have been for a couple of months. It'd be great if they had a son, because Charlie already has three daughters."

"That's often what people do when they get married." Sheen's rep Stan Rosenfield said.

Will Denise crash the wedding though?  (read more)