Unusual pet-human pairings in history: Ten years ago, we laughed at Paris Hilton carrying a chihuahua in her handbag (and then despaired at the fallout). But eccentric celebrity pet-human relationships have existed for years. From Josephine Bonaparte dressing her pet orangutan in clothing and eating meals with him to John Quincy Adams keeping an alligator at the White House. Here are ten of the strangest, most fascinating human-animal relationships of all time.