Vegas is not the place to bring your demure one-piece, as great as it may be. In its place, what could be better than a neon bikini? Two neon bikinis in one reversible suit, that's what. (Bonus points for the flirty cutout sides, of course.)
colorblocked reversivble strap back bikini top, $70, l*space, shopbop.com; colorblocked reversible low down bikini bottoms, $73, l*space, shopbop.com
Plain aspirin is for amateurs. This miracle powder's got caffeine and potassium, too, so it's basically like washing down an Advil with a Coca-Cola and a Gatorade. (Without paying the $14 minibar charge.) It works miracles, trust us.
You'll want to bring something to keep you warm when the temperatures shift at night. (It is the desert, after all.) Rather than a shawl or a cardigan, opt for a leather moto jacket that's got a bit of a devil-may-care attitude.
You won't look like a high roller at the tables when rationing $1 chips, but at the pool slathering this on? Yep. (And not only will it make you feel super-fancy then, It'll stop you from looking like the clichéd lobster-colored tourist later.)
Toss this on with skinny jeans and Converse: from this distance it'll just seem like another cool printed t-shirt, but up close, it's money. Like literally, it's the print on a dollar bill. How fitting.