The best way to get your legs into shape is to plan out and follow a good fitness routine. Exercises that are good for toning your leg muscles include squats, jogging, walking and cycling. Your exercise routine should also include stretching.
Yoga, aerobics, swimming and dancing are the best ways to get yourself in shape and develop your leg muscles. Generally, it is recommended not to focus on a single muscle group but work a little on everything. Machines are also discouraged, as they target specific muscles and can cause joint strain.
A good, clean diet, proper sleep and hydration will help you reach your goal faster and are beneficial for a beautiful body. It's also important not to completely stop exercise after getting in shape, but keep the routine for long term effects. 10-20 minutes of exercise or yoga a day are more than enough to keep you well toned.
Occasional massages can also help relax and tone the muscles. These can be done by yourself, or by a therapist. Using oils and moisturizing properly will also make your skin more beautiful, and if you wish to improve your skin in addition to developing muscles, exfoliation is a key.
Finally, knowing your body type and picking the right clothes can do wonders for your appearance. For example, the proper combination of a skirt, or dress and heels can make you look taller and your legs longer.