2011 American Music Awards Red Carpet

Though coverage of last night's American Music Awards was sure to prominently feature top-of-the-charts stunners like Jennifer Lopez and Taylor Swift, relative newcomers like Amy Heidemann (of Karmin) and Kimberly Perry (of The Band Perry) wowed in their black carpet looks. The less formal event made room for more casual looks, like Heidemann's jewel-like purple top and Katherine Heigl's stunning leg-baring low-cut blue dress. The men of the night also showed their fashion prowess, with the likes of Bruno Mars and Robin Thicke cleaning up nicely—sans ties—for the night.

Here's a look at some of the standout celebrities of the night: