Watch Mariska Hargitay (a.k.a. Olivia Benson) Meet Taylor Swift's Cat Olivia Benson
Mariska Hargitay may have worked the 1989 stage like a runway when she joined Taylor Swift onstage for "Bad Blood" this past weekend, but the real buzzy moment happened backstage when Hargitay met Taylor Swift's cat, Olivia Benson.
Ellen Pompeo a.k.a. Meredith Grey -- here's hoping you're next.