Katy Perry is ladylike in Oscar de la Renta, Miley Cyrus actually wears clothes, and Lady Gaga channels Donatella in head-to-toe Versace. Plus, other standouts from the 2013 American Music Awards red carpet. Getty Katy Perry sported a strapless black Oscar de la Renta gown with white polka dots and subtle light pink and red flower appliqués and an Olympia Le Tan clutch. Jason Merritt/Getty Looking classier than usual, Ke$ha pulls an Angelina in a flowing black gown with a thigh-high slit. The singer also debuted a new, cotton-candy-colored hairstyle—could this be the new trend of 2014? Lester Cohen/WireImage Model and reality star Kendall Jenner wears a white Keepsake minidress—with a cutout midriff—some serious neck bling, and Manolo Blahnik pumps. Jason Kempin/Getty Taylor Swift shines like a disco ball in a gold sequined mini by Julien MacDonald, Jimmy Choo heels, and jewelry by Lorraine Schwartz. Frazer Harrison/AMA2013 Heidi Klum dons loads of lace and fringe in a black Marchesa number, Brian Atwood heels, and Lorraine Schwartz jewels. Frazer Harrison/AMA2013 A departure from Miley’s usual shock value ensembles—the singer sports a tailored white suit by Versus Versace featuring the brand’s signature gold safety pins, plus black Saint Laurent heels and Lorraine Schwartz jewelry. Jason Merritt/Getty Teen heartthrobs Harry Styles, Niall Horan, Zayn Malik, Louis Tomlinson, and Liam Payne rocked coordinating gray and black monochromatic ensembles on the red carpet. Michael Kovac/AMA2013 Ciara, who’s been seriously on her fashion game recently, rocked a skin-tight, super sheer J. Mendel gown. Frazer Harrison/AMA2013 Riding in on a horse—“like Bianca Jagger arriving at Studio 54,” as she described it—the new face of Versace wears a lavender gown featuring silver medusas by the brand. “Donatella is family to me,” Gaga said of her new gig, “and she has always been so supportive of my career.” Jordan Strauss/AP Emma Roberts rocks a strapless drop-waist metallic dress by Lanvin with magenta Casadei heels. Lester Cohen/WireImage Nicole Richie wears a white Emilio Pucci dress and Casadei shoes, accessorizing with a House of Harlow 1960 clutch, vintage Gucci ring, and vintage YSL earrings and necklace. Jason Kempin/Getty Glee star Naya Rivera is super sexy on the red carpet in a black Michael Kors dress (hello, cleavage!), Jimmy Choo heels, and a gold vintage YSL cuff. Jason Kempin/Getty Jennifer Hudson takes the red carpet by storm in a short-sleeved, bright orange Dior dress with hot pink lining and a short new hairdo. Jason Merritt/Getty Although unsure of how to pronounce the designers’ names, funny gal Sarah Silverman rocked a yellow one-shouldered Lela Rose dress and Swarovski jewels. Jason Kempin/Getty Actress Zoe Saldana looks sophisticated in a black and white patterned gown by Roland Mouret. Singer Christina Aguilera goes Old Hollywood glam in a white Maria Lucia Hohan gown, silver Jimmy Choo shoes, and an array of Lorraine Schwartz jewelry. Jason Kempin/Getty