Ramona Marquez (in-universe)

Ramona Marquez was in attendance at a Christmas party with a host of other guests that included the Eleventh Doctor, Amy Pond, and a Cyberman. (NOTVALID: Consider Yourself One Of Us)

She was in the BBC studio with Tyger Drew-Honey and Daniel Roche while they were preparing for another Christmas. The trio "legged it" after accidentally knocking over a studio backdrop. (NOTVALID: It's Showtime)