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,

Jimmy Kimmel is officially a grandpa! On the May 20 episode of " Jimmy Kimmel Live ," the late night host revealed his 33-year-old daughter, Katie Kimmel, welcomed her first child with husband Will Logsdon. "You know, we were supposed to have a show last night, but we didn’t because my daughter had a baby last night," he shared to a cheering crowd.