Princess Cadance, whose full name is Mi Amore Cadenza, is a major character in the 'My Little Pony' series. She is the Princess of Love and the ruler of the Crystal Empire, known for her caring and empathetic nature. Cadance is married to Shining Armor and is the niece of Princess Celestia and Princess Luna. She plays a vital role in guiding and protecting her subjects, often helping the main characters with her wisdom and magical abilities related to love.