Melinda -- really really great voice as usual, though not her best performance.
Lakisha -- As Simon said it's not a good song for this because it only has 3 notes, and she didn't really do much with them. Probably her worst performance yet.
Chris -- Awful until the very end, which he nailed.
Haley -- horrible make-up, horrible hair style, horrible outfit -- basically looked like a cheap hooker, and she sounded like a drunk sorority sister on karaoke night. Total crap.
Phil -- one of his best performances. He did well on the lower registers which is rare for him. But his voice cracked. And he's still nowhere near good enough to win this thing.
Jordin -- pretty good, lots of fun. She has a great voice, but the "O yea o yea" part was pretty weak. Not her genre.
Blake -- he actually projected this time! Past several weeks he's sounded out of breath. I thought he did a pretty good job, and a good performance.
Sanjaya -- holy crap, that was actually pretty good! He was confident and had some power and emotion.
My ranking, best to worst:
Melinda
Jordin
Blake
Sanjaya
Phil
Lakisha
Chris
Haley
Most likely bottom three based on votes:
Lakisha, Haley, Phil
Most likely out:
Haley