This shaped up to be quite the year for Jennifer Lopez (aside from her split from husband Marc Anthony, that is). In addition to joining the judges table on American Idol, JLo was voted Best Comeback by Billboard's readers, named one of Glamour's Women Of The Year and had the Most Watched YouTube Video Of 2011. While that's all well and good, today we're going to celebrate Jenny's flawless face and fantastic posterior! Here's our round up of Jennifer Lopez's 10 sexiest photos from the past 12 months, because, after all, the 42-year-old diva wasn't named World's Most Beautiful Woman for nothing. Click to see the shot that landed at #1 on this prestigious list.