Charlie Sheen is a grandfather after eldest daughter Cassandra gave birth to a baby girl named Luna.

The 47-year-old Anger Management star is thrilled at the arrival of his first grandchild telling ''It's impossibly a most wondrous day. My bucket list is a thimble!''

This is the first child for his daughter Cassandra and her husband Casey Huffman. Cassandra’s mother is Paula Profit who was Charlie’s high school girlfriend.

Sheen previously spoke about his excitement at becoming a grandfather. Speaking on The Late Show With David Letterman in January, he said: ''Me as a grandfather, Dave . . . I don't know. It's like the world's going to crack in half. It's fabulous. It's just not a title I'm ready to adopt.''

Charlie, who also has two daughters, Sam, nine, and Lola, seven, with his ex-wife Denise Richards, and four-year-old twins, Max and Bob, with his ex-wife Brooke Mueller, who are currently in Denise's custody.

Richards was granted temporary guardianship of Bob and Max in May, after they were removed from Brooke's care by the Department of Children and Family Services, amid allegations her drug use had resulted in an ''unsafe environment''