Now we know what it takes for Jimmy Kimmel to skip a night of work: One of his babies has to have a baby. Kimmel became a grandfather earlier this week when his oldest daughter gave birth to a girl. In his monologue Tuesday,

The late-night host returned to Jimmy Kimmel Live! on Tuesday (May 20) to explain why he canceled Monday’s show, revealing to his audience that he has become a grandfather at 57 years old. After thanking the audience for coming, Kimmel updated his fans on what had been going on.