Christian Marie Serratos (born Bernardi, ; born September 21, 1990) is an American actress who plays Rosita Espinosa in AMC's The Walking Dead TV series, based on the comic book of the same name. She is also known for playing Suzie Crabgrass in the Nickelodeon series Ned's Declassified School Survival Guide and Angela Weber in The Twilight Saga series.