What was that song Aly Michalka sang in the shower scene of the roommate. she started humming it and then she started to sing. I would appreciate it if someone could name that song. Thanks?

In the shower scene of "The Roommate," Aly Michalka's character sings "Love is a Battlefield" by Pat Benatar. The song captures themes of love and conflict, fitting the movie's dramatic tone. If you need more details about the scene or the song, feel free to ask!