Hm, so how can my legs look longer, because if i lose all the fats in my legs, will The cellulite be very visible?
Hopefully you are tiny since your goal weight is 102 lb, like 5'0". You will not get longer arms or legs, of course, but an exercise that slims without adding bulk is jumping rope.
http://www.prevention.com/leg-exercises
http://www.youtube.com/watch?v=DZpRoIxAufU