American Idol disco theme week performances air 8 p.m. tonight

The seven "American Idol" finalists perform disco songs tonight at 8 p.m. on Fox.

Two contestants will be eliminated Wednesday, due to last week's judges' save.

Will Adam Lambert go for shrieky or subdued? Will Lil Rounds finally listen to the judges' advice and pick a song suited for her diva vocals?

Share your predictions on our "Idol" blog, updated "live" throughout each show.

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