Paris Hilton busy shooting reality show in Las Vegas!

Reported by Las Vegas journalist Robin Leach

Singer, actress and entrepreneur Paris Hilton has had a jam-packed 4 days of filming her new Oxygen reality TV show here in Las Vegas, taking part in everything from skydiving to checking out the topless dancers at Crazy Horse 3 until the wee hours of the morning.

Paris and her three gal pal posse, including Allison Melnick, also were spotted at Sammy Hagar's Cabo Wabo Cantina at Planet Hollywood's Miracle Mile Shops laughing over Cabo Wabo's signature Vita Loca frozen daiquiris. Paris also purchased Champagne Stick Couture Pops from Sugar Factory in the Miracle Mile Shops.

This afternoon, she films for 3 hours at Colorist to the Stars guru Michael Boychuck in his Color salon at Caesars Palace. Tonight, she's welcomed back to the Las Vegas nightclub scene when she celebrates former Playboy Playmate of the Month and gal pal Jennifer Rovero's birthday at Pure in Caesars Palace.