The multitalented actor-director is expecting his first child with on-again, off-again girlfriend Gelila Bekele.
"He said he had to start getting used to not getting a lot of sleep, because his life was about to change in a big way," a guest at Perry's 45th birthday bash in Los Angeles told E!
It's unclear whether she was in attendance at his birthday party, but a slew of celebrity guests celebrated with him.
Perry is estimated to have earned around US million by 2008.
Many of Perry's stage-play films have been subsequently adapted as professional films.
"He was so happy in the moment so he told the guests." PHOTOS: Celebrity dads Days later, Perry accidentally revealed that the couple were having a son.
"The greatest gift I'm being given right now is the opportunity to give the little boy in me everything I never had, so that's what I'm excited about," the filmmaker-mogul said during an interview with .