Rihanna wore a laser-cut Marchesa gown to the 2009 awards ceremony, combining the elegant monochrome look with an edgy undercut.
Married to country music sensation Keith Urban, Nicole Kidman is a frequent fixture at music awards shows. Here, she presents alongside co-host Kate Hudson in a one-shouldered Balenciaga gown in 2010.
In 2011, Selena Gomez, then dating a dapper young Justin Bieber, opted for a shimmering silver Giorgio Armani gown — and since she adopted sparkles on the red carpet, she hasn't looked back.
The original naked dress champion, J.Lo wore a slinky Zuhair Murad gown to the 2011 awards, where she performed and won Best Latin Music Artist.
Gwen Stefani wore a Balmain blazer to the 2012 awards, upstaging the rest of her No Doubt bandmates.
Lady Gaga rode in on a white stallion (ish) and a lavender Versace gown for the 2013 American Music Awards, because she's never been one to waste an opportunity to make an entrance.
Four years after her delicate Marchesa ensemble, Rihanna stepped onto the red carpet in a daring Jean Paul Gaultier two-piece for the 2013 awards show.
Zendaya Coleman loves matching sets, and her look at the 2015 American Music Awards was no exception: The singer and actress appeared in a frilly pink Emanuel Ungaro ensemble.
Kendall Jenner has been a champion of some lesser-known designers on the red carpet, including Victoria's Secret go-to Kristian Aadnevik, and here, in Oriett Domenech, a small Dominican designer who knows how to make a little black dress with a bite.
At the 2015 American Music Awards, a decidedly more grown-up Selena Gomez appeared in a front-slit Givenchy dress drenched in red paillettes.