Jennifer Lopez has proved to be a smart addition to the American Idol judges lineup this season. Her performance of her new single 'On The Floor' last night on this week's elimination episode showcased her raw performing and vocal talents - proving once again her relevance as a judge in a competition such as American Idol.

Jennifer's performance was chock-full of attitude, energy, sex appeal and even a little random glass breakage.

Watch the world's most beautiful woman perform 'On The Floor' below: