Each year, the Queen honors hundreds of people based on their services to charity, music, arts, drama, and more. There are five classes of honor given: Knight and Dame Grand Cross (GBE), Knight and Dame Commander (KBE/DBE), Commander (CBE), Officer (OBE), and Member (MBE). The two senior ranks are what give many well-known people the "sir" or "dame" in front of their names. While keeping the titles straight may be a little confusing, many familiar faces in Hollywood have been named for their services. Here are 23 celebs you didn't know were given a royal honor.