All About Diapers: My Daughter Doesn' Want 'Em!

My 13-month-old daughter has always been advanced for her age. She was lifting her head up ON HER OWN the day after she was born, she was rolling on her side at a week old, she started teething at about 2 months and she was walking at 6 months. However, she has recently started taking off her diaper and pottying in her crib, playpen, on the living room floor, basically wherever she is when she decides she doesn't want to wear her diaper. If she has pants on, she takes them off. If she's wearing a onesie, she'll put her hands through her leg holes and pull on the tabs until they come off and then pull the diaper off her leg holes. She does this at least twice a day and I don't know how to break her of it and I don't know if it means she's ready to be potty trained. Someone PLEASE HELP!!!!!!