Uma Thurman and her boyfriend Arpad Busson have finally revealed the name of their baby girl, and it's a whopper.

Their three-month old is named Rosalind Arusha Arkadina Altalune Florence Thurman-Busson. Fortunately, she has a nickname: Luna.

The couple's rep told, "Each name has a special reason and meaning to her mother and father."

Luna was born on July 15. She is the 41-year-old actress' third and her first with businessman boyfriend Busson. Uma has two kids from her marriage to Ethan Hawke, Maya, 13, and Levon, 10.

The actress just joined the cast of Lars Von Trier's upcoming erotic drama, Nymphomaniac.