exercises to get fit no cellulite legs like this ?

http://i182.photobucket.com/albums/x45/blah1815/Random/tumblr_kst16bKjH71qzb6uho1_500.jpg

sorry the picture is quite odd, i just thought her legs were gorgeous.
what kind of exercises can i do to get legs like this ? please explain or please post a video of someone showing how to do them !

and any exercises of how to lose the so called 'muffin in pants' ?