Coco -- String Bikini Babe

Coco slipped into a barely-there string bikini and showed off her assets alongside some other celebrity blondes at a Vegas pool party.

From Starpulse: "What better way to kick off the swimming pool season than to mix Sin City with Playboy pin-ups and reality stars? Coco, above, arrived at the event in a very tight, constellation-inspired mini dress. She hosted the party, letting loose in a pink string bikini and packing a pistol - water pistol, that is.

"She tweeted: 'Photo op!! Sapphire pool is a cool place to hang out! All these blondes were here w/me @crystalhefner @PamelaDAnderson @GretchenRossi'"