From Selena Gomez's stunning backless Giorgio Armani satin gown to Katy Perry's Chinese-inspired Vivienne Westwood design, the stars delivered some amazing looks at Sunday's American Music Awards in Los Angeles.

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The Artist of the Year winner, Taylor Swift, was also among the night's best dressed, stepping out in a shimmering strapless Reem Acra gown and stunning emerald earrings. Bonus points for her sleek side ponytail and nude lipstick.

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Jennifer Hudson showed off her svelte shape in a metallic jersey drape-front cocktail dress by Jenny Packham, while Jennifer Lopez wowed fans in several skin-revealing looks including a sparkly nude bodysuit.

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Other stars who hit the red carpet included Hillary Scott (in Rani Zakhem), Queen Latifah (in Edition by Georges Chakra), Kimberly Perry (in Bottega Veneta) and Audrina Patridge (in Joey Tierney).

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