Paris Hilton Shows Her Pink Bra

Paris Hilton headed off to Sin City to party the weekend away at the Hard Rock Hotel Casino in Las Vegas on Sunday (April 25).Clad in a blindingly bright pink bikini, the hotel heiress was joined by her sister Nicky to host Rehab - which dubbed itself as The Ultimate Daytime Pool Party.Paris Hilton in Bikini at The Ultimate Daytime Pool Party in Las Vegas