Here's brunette current "American Idol" contestant Adam Lambert on Tuesday's show (left) -- and blonde season two "A.I." wannabeen/former David Cook girlfriend Kimberly Caldwell a while back (right).
Only one of them uses too much foundation.
We're just sayin'.
Adam Lambert: David Cook's Ex?
3/19/2009 12:11 PM PDT BY TMZ STAFF
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