Country music star George Strait, attending the 10 p.m. performance of Cirque du Soleil’s "Love" (Mirage) on Saturday.
NFL quarterback Ben Roethlisberger, spotted at The Mint — the high-stakes gambling lounge — at the Palms on Saturday.
Singer Ashlee Simpson, attending a fan meet-and-greet session Friday at the Pink Taco restaurant (Hard Rock Hotel). Simpson was later spotted dining at Social House restaurant (Treasure Island) with boyfriend Pete Wentz of music group Fall Out Boy. They also checked out Pure nightclub (Caesars Palace) with father, Joe Simpson.
Rapper Ja Rule, dining Friday at N9NE steakhouse (Palms). Later in the evening, Ja Rule gave an impromptu performance of his hit songs at Poetry nightclub (Forum Shops at Caesars) and Pure nightclub (Caesars Palace). He was also spotted at Body English nightclub (Hard Rock Hotel).
Singer Ryan Cabrera, celebrating the end of his 50-city promotional tour with his band Friday at The Bank nightclub (Bellagio).
Comedienne Kathy Griffin, attending Bette Midler’s show, "The Showgirl Must Go On" (Caesars Palace) on Friday.
Former boxing champion Mike Tyson, checking out Pure nightclub (Caesars Palace) on Friday.
UFC President Dana White and Lorenzo Fertitta, dining together Friday at CatHouse (Luxor). Also dining at CatHouse: Illusionist Criss Angel.
Actors Freddie Prinze Jr. and Macaulay Culkin, checking in separately this weekend at the Palms’ Fantasy Tower.
Actor Robert Iler of "The Sopranos," hosting the evening’s festivities Friday at Prive nightclub (Planet Hollywood Resort). Also at Prive: Kansas City Chiefs fullback Boomer Grigsby.
Poker star Chris "Jesus" Ferguson and reigning Mr. Olympia Jay Cutler, dining Friday with separate parties at Social House restaurant (Treasure Island).
Musician Matt Sorum of Guns N’ Roses and Velvet Revolver, checking out Body English nightclub (Hard Rock Hotel).
Comedienne Sarah Silverman, spotted walking through the Hard Rock Hotel on Friday. Silverman also attended Bette Midler’s show, "The Showgirl Must Go On" (Caesars Palace) on Friday.
Actress Jennifer Coolidge of "American Pie" fame, dining Thursday at Tao Asian Bistro (Venetian).