Leave it to Jessica Alba [1] to make our jaws drop by wearing a dress we never guessed she would wear. The actress and entrepreneur, who was pumped to be sitting behind Britney Spears [2] at the Billboard Music Awards 2016, showed up to the red carpet in Las Vegas in an all-black ensemble of a Zuhair Murad see-through, long-sleeved minidress paired with over-the-knee high-heel boots — a true departure from the many other soft and girlie dresses she has worn this year [3] on the red carpet.

And that's not all: Jessica's makeup and hair [4] were ready to rock, too. Her topknot and blue eye shadow were just perfect for one of music's biggest nights. Keep reading to see more photos of her stunning appearance, including a close-up of her beauty look, then check out Jessica's best street style this year [5] so far.