It was another hot weekend in the desert -- and we've got all the sexiest sightings from Las Vegas!
A few celebs got into the summer spirit at the kickoff party for TAO Beach -- where supermodel Irina Shayk hit the red carpet without boyfriend Cristiano Ronaldo, Jamie Foxx got wet and wild with Gabrielle Union and Garcelle Beauvais, Christina Aguilera's ex Jordan Bratman celebrated being single and Sophia Bush looked gorgeous as usual.
Amy Smart got her party on in Sin City too -- celebrating her birthday at Sugar Factory American Brasserie at Paris, where she dined on tuna sliders, New York strip steak and Pacific salmon, and sipped on Sugar Factory's signature Lollipop Passion cocktail. Also at Paris: Alfonso Ribeiro, Missi Pyle and Jayde Nicole.
Other sightings: Michael Jordan hosted the Michael Jordan Celebrity Invitational, Britney Spears saw "The Lion King" with sons Jayden James and Sean Preston and "The Big Bang Theory" star Kunal Nayyar partied at Surrender Nightclub.