The Most Major Dresses at the American Music Awards

in a moto-jacket inspired Coach minidress, studded heels, Roberto Coin jewelry and blonde hair!

wears a sharp-shouldered suit over a leather bustier bra and black Casadei heels with Bulgari jewelry.

leaves one major event (Serena Williams' wedding!) to attend another in a slick Alexandre Vauthier Haute Couture dress with matching stiletto boots by the grand.

wears a black velvet tank dress with an asymmetrical hem and Giuseppe Zanotti over-the-knee to accompany husband Keith Urban.

wears a gathered strapless Ester Abner dress with dangling Gismondi 1754 earrings and long dark waves.

wears a plunging, glittery gold Julien Macdonald dress with Giuseppe Zanotti heels and John Hardy jewelry.

wears a sparkling caped Michael Kors Collection gown with Le Vian bangles.

prepares to host in a burgundy high-neck sequin Stella McCartney dress (the first of many outfit changes) with red Tamara Mellon sandals, Irene Neuwirth jewelry and red lips.

wears her namesake shade in her hair and on her dress in a tulle-layered gown with shimmering floral appliqués, plus Narcisa Pheres earrings.

wears an iridescent long-sleeve sequin Christian Siriano gown with platinum hair and major hoops.

wears a blush pink gown with a quilted bustier and halter straps and dangling Anita Ko earrings.

wears a black dress with blue fringe details and black Stuart Weitzman sandals, plus a rainbow Emm Kuo clutch and Butani jewels.

wears a black column dress with a one-shoulder silhouette and an embroidered yoke, plus Le Vian earrings and an Atelier Swarovski ring.

wears a swirly-print plunging vintage Versace dress from Morphew and Giuseppe Zanotti heels.

wears a black Galia Lahav gown with a high slit, lace-up embroidered bodice with sheer sleeves, Mateo jewelry and criss-cross Jimmy Choo heels.

tops an embellished Prada shorts outfit with a trench and adds kneesocks and silver platforms, plus Mateo jewelry.

channels her inner Kardashian in a spangly black August Getty Atelier tube dress and strappy sandals.

wears a suit-inspired wrap dress with those sparkling Saint Laurent boots half of Hollywood has.

wears an off-the-shoulder black velvet Christian Siriano gown with gold sequins along the sides.

is perpetually best-dressed in her black Vivienne Westwood bustier gown, tulle-covered hat and silver cork heels.