Nickelback has never been on iCarly. The only artist that has appeared on iCarly and performed a song was The Plain White T's with "Our Time Now". David Archuleta was also on another episode, but he didn't sing.
Taylor Swift has never performed on American Idol, and considering there is only one season left, it's unlikely she ever will.
no he was out way before american idol started
yes
I could not find information about a "Lee Dwight," on American Idol. Although, Lee DeWyze was the winner of American Idol Season 9 and released a record in November 2010 titled Live it Up.
September 8th and 9th, 2012 :D
no, she has not
no
Yes, she performed You Lost Me in 2010.
Taylor Swift has never performed on American Idol, and considering there is only one season left, it's unlikely she ever will.
no he was out way before american idol started
He was a mentor on Season 6, and his band Bon Jovi has performed twice on that show
no, he hasn't been on American idol, he wants to be an actor
no
No
no, never!
Kris Allen!!!
No.