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The corps' anniversary ball is one of the most important events on a Marine's calendar, according to spokeswoman Capt. Kendra Hardesty. Balls are held at bases and less formal celebrations by units in the field to mark the Nov. 10, 1775, founding of the branch.Balls at garrisons are formal affairs, following a ceremony established in 1952. At each ball, the Marine Corps commandant's birthday message is read, along with a 1921 order issued by Maj. Gen. John A. Lejeune summarizing the tradition and mission of the corps.
Kunis won't be the first celebrity to attend a Marine birthday ball. Other Hollywood stars who've attended over the years include action film actor Chuck Norris and R. Lee Ermey, a retired Marine whose most famous role was an intense drill instructor in the film "Full Metal Jacket."