Rihanna is no stranger to switching up her style, but the singer surprised just about everyone at the 2014 iHeartMusic Awards last night (May 1) when she showed up in some serious punk-rock attire, donning an all-black, sheer ensemble with tight ringlet buns all across her head and a deep turquoise lip. Whoa!

First of all, we have to hand it to Ms. Ri-Ri, who took home four awards last night (more than any other artist!) including the biggest honor -- Artist of the Year. The 'Monster' singer also scored awards for Best Song of the Year (for 'Stay' feat. Mikky Ekko), Best R&B/Hip-Hop Song of the Year (for 'Pour It Up') and Best Fan Army for her beloved Rihanna Navy. But perhaps Rihanna should have also taken home the award for boldest outfit, pairing the revealing Givenchy Couture dress with the shocking green lip color and black nails. Check out the photos below:

If anyone can pull off a deep green lip, it's Rihanna! While her lip color was bold and bright, the rest of her makeup was simple, with jet-black winged eyeliner perfectly accentuating her eyes and a light bronzer dusting her cheeks. Of course, her tight, zig-zagged ringlet buns and enormous hoop earrings help her to stand out, too.

Jason Merritt, Getty Images

In this faraway shot, we're now able to check out Ri-Ri's entire ensemble. While the Givenchy overlay was revealing, Rihanna kept it classy. We thinks she looks sexier than ever in the black lace outfit, which subtly showed off her tattoos.

Kevin Winter, Getty Images