Sexy Stars: A look back at 2015's most memorable red carpet looks

Lady Gaga totally stunned this year when she ditched her classic armadillo heels for sophisticated, ultra-glam styles. The singer turned heads at the Grammys in February in a slinky, silver gown with a plunging neckline and a thigh-high slit that marked a major career shift for the pop songstress-turned-jazz crooner.

SEE ALSO: From Miranda Lambert to Kaley Cuoco, 2015's best revenge dresses, ranked!

Gaga wasn't the only star this year to knock it out of the park on the red carpet. From Rihanna's gorgeous pink Giambattista Valli couture gown at the Grammys to Gwen Stefani's revenge gown at the American Music Awards and everything inbetween, it has been an incredible year for daring celeb styles.

As they say, with big risk comes big reward. Click through the gallery above to see some of the sexiest red carpet looks that paid off in 2015.

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