they were both amazing, Nicole did what she felt best...America was the one to ultimately decide...so if anyone should "boo", they should look in the mirror cuz they were the one who made the final choice!
My one and only gripe with Nicole as a judge is this; yes she can sing and dance, however she's never been successful. These contestants want to not only win, but be successful in the same merit. Nicole giving advise to them is the equivalent of spraying water on a fire. Anything she says about being successul or "making it" in the industry just douses her credibility considering she hasn't experienced any. Other than Eden's Crush years ago, her artistry insight is a complete joke.