Students will perform "Wild Wild West" at Carmel Catholic High School's "Street Scenes Goes to Las Vegas" this weekend in Mundelein. | Rob Hart~Sun-Times Media

Carmel Catholic High School's students will perform the viral video hit "Gangnam Style" during "Street Scenes Goes to Las Vegas" this weekend in Mundelein. | Rob Hart~Sun-Times Media

Ian Flemming will sing "Money Makes the World Go Round" during Carmel Catholic High School's "Street Scenes Goes to Las Vegas" this weekend in Mundelein. The school held a preview Sunday. | Rob Hart~Sun-Times Media

Erin Noll, center, and Tommy Paslaski perform "Baby Let's Go to Vegas" during a preview for Carmel Catholic High School's "Street Scenes Goes to Las Vegas" on Feb 3, 2013 in Mundelein. | Rob Hart~Sun-Times Media

Ian Flemming sings "Vegas Style Dream" during a preview for Carmel Catholic High School's "Street Scenes Goes to Las Vegas" on Feb 3, 2013 in Mundelein. | Rob Hart~Sun-Times Media

Will Higgins sings "It's Not Unusal" during a preview for Carmel Catholic High School's "Street Scenes Goes to Las Vegas" on Feb 3, 2013 in Mundelein. | Rob Hart~Sun-Times Media

Will Higgins sings "It's Not Unusal" during a preview for Carmel Catholic High School's "Street Scenes Goes to Las Vegas" on Feb 3, 2013 in Mundelein. | Rob Hart~Sun-Times Media

Dozens of Elvis impersonators take the stage for a medley of his music during a preview for Carmel Catholic High School's "Street Scenes Goes to Las Vegas" on Feb 3, 2013 in Mundelein. | Rob Hart~Sun-Times Media

Will Higgins will sing "It's Not Unusual" during Carmel Catholic High School's "Street Scenes Goes to Las Vegas," the school's biggest fundraiser, this weekend in Mundelein. | Rob Hart~Sun-Times Media