Mariah Carey appeared on the Jimmy Kimmel Live show on Friday August 1, 2008. She did a nice interview with Jimmy and then performed her hit singles "Touch My Body" / "I'll Be Lovin' You Long Time" in a medley, as well as "Side Effects" with Young Jeezy.
Not really. You can hear when they switch her mic's on and off. Especially towards the end of Side Effects because there is a delay from when she starts singing the "high notes" to when the mic's go on. You hear her through some other mic's or something.