Becca Frank is a character from the Brat Universe.
Becca was best friends with Erin Roy and Tiffany St. Martin, until Tiffany’s brother Evan St. Martin was discovered to be mentally ill and Tiffany was lying about him ever since they became friends. She had a hopeless crush on Evan, however Tiffany claimed she was out of his league. She was briefly friends with Nellie Chambers while Heather forced Nellie to become Queen Bee, but then abandoned her when it was discovered the Roach gang paid for Nellie to attend Crown Lake. She then became friends with Lucy Quinn.
It is possible that she's Heather Masterson.