Teyana Taylor has inadvertently done some great PR for the pixie cut over the last year, as she's found a way to style the cropped cut in more ways than I ever thought was possible. During awards season, she frequently wore her short hair with fluffy curls , but earlier this week, she decided to give it a grungier upgrade with a mullet. Taylor performed at the American Music Awards on Monday night, but before hitting the stage, she walked the red carpet in a strapless purple gown from Balenciaga that featured a ruched bodice, a low-cut back, and a thigh-high slit on one side. She wore her go-to siren eye makeup look and added purple eyeliner to her waterline to match the dress. As for her hair, the singer's signature hairstyle has been a pixie cut for as long as I can remember, but she decided to go in a slightly different direction for the night, keeping her cut short but styling it in a glossy mullet with light waves.…