Avril Lavigne surprise debuted her new song, 'Alice', while visiting Ryan Seacrest's 102.7 KIIS FM morning show today.  The song will be featured in Tim Burton's much anticipated, Alice in Wonderland.

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Avril Lavigne served as a guest judge on American Idol last night.

In addition to Avril,  All Time Low, Tokio Hotel, Pete Wentz and Mark Hoppus are also confirmed to appear on the Alice in Wonderland soundtrack, which is called Almost Alice and will hit stores March 2, 2010.

Click here to listen to Avril's new track!