Ariana Grande promotes Nickelodeon's ''Victorious'' at Planet Hollywood in New York, Apr 30, 2010

Holly Madison appears at the 'Welcome to Fabulous Las Vegas' Sign

Model and television personality Holly Madison appears at the 'Welcome to Fabulous Las Vegas' sign during the launch event for the 'Camp Vegas' summer campaign April 29, 2010 in Las Vegas

Nelly Furtado attends the 2010 Billboard Latin Music Awards in Puerto Rico, Apr 29, 2010