Sienna Miller was looking great while playing around in the water enjoying her recent vacation to Los Cabos, Mexico. I tell you what, I would love to be in some warm weather right now lying on a big boat. Not so much the paparazzi though. Lucky for everyone, they aren't interested in filming me in a bikini.The big buzz is that this girl is going to marry very soon. Let's keep our eyes opened for it. Click on the continue reading link to see 5 more pictures of Sienna on vacation...