Ugh my yearbook pics are ugly!!!!?

Ok our yearbook just came out today and I hate all the pics of me in there! I dont even look like myself and my hair is messed up in the pics and im chubby looking.Ive lost weight since then, gotten new hairstyle and color, and Ive lost a few pounds.How come I look totally different in my pics than real life?Other people just look like themselves in their pics but I lok waaaaay uglier.i€s it true that the camera adds 10 pounds?