How to get a bigger booty

Obviously I would never have a KIm K booty or a Jlo one, but I would like to know is there any way I can get my butt a little more bigger ? Is there a special method that any ladies use. I know it varies on genetics, but is there any products or excercise that I can do to get bigger. I do have a really small waist and my butt is small I just need it to be more pump and bigger can anymore help me out?
Thanks :)