Taylor Swift has three cats named Meredith Grey, Olivia Benson, and Benjamin Button. Meredith Grey is the oldest, followed by Olivia Benson, and then Benjamin Button.
There are three feline companions of Taylor Swift: Meredith Grey, Olivia Benson, and Benjamin Button. The eldest of them is Meredith Grey, then comes Olivia Benson, and the youngest is Benjamin Button.