'Idol' Final Four: Aaron Kelly Gets the Boot

What do Harry Connick Jr. and Lady Gaga have in common? Well, nothing really, except they both performed on the "American Idol" stage tonight. Gaga may have been an odd choice for crooner's week, in which the remaining six contestants tackled Frank Sinatra songs with Connick as their mentor, arranger and band leader. But that didn't stop Gaga from doing her best Madonna impression. In a (literally) thinly-veiled performance dripping with sex and violins, Gaga performed "Alejandro," the third...Full Story