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J-Lo wore a black Lanvin dress with black satin pumps. She paired the dress with an intricate bib necklace. Lopez was promoting The Back-Up Plan at the film's UK premiere.
We'll all be seeing a lot more of Jennifer Lopez next year. Reports first circulated in mid-2010 that Lopez would join the judging panel of American Idol. About 6 weeks ago those rumors were confirmed and the AI team officially confirmed that Lopez will be a judge in 2011.