Adam Lambert's "Glee"

There's only one Adam Lambert topic on people's tongues this week, and that's his Thursday night debut on 'Glee'. The flailing began in earnest last week when Adam's cover of Lady Gaga's "Marry the Night" hit the 'net, and got cranked up several notches with trailers released by the show. 

Ever since Adam's legendary run on American Idol, fans have observed that once he covers a song, he "owns" it. Tonight, we will celebrate our favorite cover song performances by Adam. Tell us which ones are at the top of your list, and why.