1. *NSync shut down Times Square, Mariah Carey gave out popsicles and Usher got in your face. Bet you can’t pick just one memorable moment, but give it a try.

  2. Everyone from the Backstreet Boys to the Jonas Brothers have stepped into the studio, and now’s your chance to chat about the best of the best when it comes to our past guests!

  3. Our stage has been graced by Justin Timberlake, Britney Spears, Lindsay Lohan, Janet Jackson, Jay-Z, Tokio Hotel ... and the list goes on and on. Discuss!

  4. Over the years, Damien Fahey, Lyndsey Rodrigues, Carson Daly, Vanessa Minnillo, Stephen Colletti and others have grabbed the mic. Tell us who your fave was and why.

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