Rarity is the element of loyalty and pony vile's very own fashionista and fashion designer. She has a younger sister by the name of sweetie belle who is a cutie mark crusader. Little is known of rarity's childhood exept that she
ended her cutie mark from a rock (long story) she is also very secure about her mane.
monster mash/Blood and Diamonds[]
In some vampire fan fictions about rarity being bitten by a vampire and struggling not to feed on her friends and family along with a tumblr about her as a vampire.