Introducing Rebecca Sewell! It looks like she might have crashed Sutton's birthday bash, but her niece Char invited her. Oh, and Rebecca used to go by Annie in high school. Interesting coincidence?

Want to learn more about this mysterious new character? Check out this Q&A with Charisma Carpenter, the actress who plays her.

Image from "O Twin, Where Art Thou?" airing January 2.

Don't miss the winter premiere of The Lying Game Tuesday at 9/8c!