Is is possible to change my face shape? (Photo)

May want to look into buccal fat removal to start and see how you like the change.AYou also need to be more specific about the exact changes you want

You have some very good options.  For patients who state that their face always appeared round despite loss of weight removal of the buccal fat pads can be subtle but very effective.  A side benefit in my experience is that it tends to highlight the cheekbone area despite the fact that they weren't touched.  After you've healed you'd have the option of small amounts of filler added to your cheek prominences if you would like.  That's usually very successful if not overdone.Finally, depending upon how thick and what bulk your masseter muscle has (tested by clenchin your teeth and feeling them), botulinum injection (Botox or Xeomin) can temporarily reduce the width of the back portion of your jaw.  My guess is that you'd be very pleased by the changes.