Photo: Mariah Carey shows off her slimmed- down in number of outfits as she thrills the crowd in Las Vegas

The 46-year-old Hip star showed off her slimmed-down figure in a number of plunging looks during a show at The Colosseum at Caesar's Palace, Las Vegas. In true diva fashion, she arrived the stage in a pink convertible and a yellow jet ski. More photos after the cut...