United Kingdom, May 21 -- Jimmy Kimmel has become a grandfather.

The 'Jimmy Kimmel Live!' late show host, 57, has revealed he cancelled Monday's (20.05.25) episode because his eldest daughter Katie Kimmel, 33, had gone into labor, and has given birth to her first child.

Speaking on his show programme the following night, he said: "I am the host of the show. Thank you, thank you for coming, thank you for watching, thank you for joining us here in Hollywood.

"We are back to work after an extra day off. You know, we were supposed to have a show last night, but we didn't because my daughter [Katie] had a baby last night."

Katie - who Jimmy shares with ex-wife Gina, along with their 31-year-old son Kevin - and her husband Will Logson have ...