Popsugar Fashion Red Carpet Teen Choice Awards Red Carpet Dresses 2015 Look Back at the Best Outfits From the 2015 Teen Choice Awards July 31, 2016 by Hannah Weil McKinley View On One Page Photo 17 of 18 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 17 Britney Spears The singer chose a sparkly look that showed off her stems and featured a plunging neckline. Previous Next Start Slideshow Red CarpetAward SeasonTeen Choice Awards