Sometimes you need a night on the town with the girls! That was exactly the case when Miley Cyrus stepped out in Los Angeles with her "We Can't Stop" director and friend Diane Marteloff on Thursday night. "Miley arrived with one of her friends and they sat in the downstairs living room near one of the fireplaces," said a source. "She danced a lot! She danced to her own song "23" and kept taking selfies. It was amazing!.