Check out these 5 surprising celebrity grandparents. Charlie Sheen recently mentioned on Jimmy Fallon’s show that he’s going to be a grandfather.Here are five more surprising celebrity grandparents.Number 5 - Jim Carey became a first time granddad in 2010 at the age of 47. His daughter gave birth to a 7 pound, 11 ounce baby boy.Number 4 - James Bond actor, Pierce Brosnan became a grandparent at age 44 when his adopted daughter Charlotte gave birth to a little girl in 1998.Number 3 - In 2011, Tom Hanks was declared a grandpa at the age of 54. His oldest son and his wife welcomed a baby girl into the world.Number 2 - Hardcore rocker, Ozzy Osbourne first announced he was a grandfather in 2002 when his daughter from his first wife gave birth to a girl. In 2012, Ozzy and Sharon’s son Jack welcomed a baby girl making Ozzy a fifth time grandpa.Number 1 - Goldie Hawn, who in her 60’s is still as sexy as ever,, but in 2011, she became a fourth time grandmother to Kate Hudson’s newborn son named Bingham.