Rebecca (Camilla Luddington) is a villainess from the Big Time Rush episode Big Time Concert.
In the last episode she and Hawk kidnapped the Big Time Rush group with a truck. Rebecca is the assistant of Hawk, Gustavo's archrival. She knows karate, as seen in Big Time Concert, and assisted in tying the band up to prevent them from getting to the concert. She is also relatively smart and finds information on the boys for Hawk. Almost nothing is known about her. In the last episode she and Hawk kidnapped the big time rush group with a truck.