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					Originally Posted by tiarayorkieluvr  I jus purchased Isabella and she is ACA registered but i heard that was for mixed breeds only and AKC is for purebreds. I google pics of yorkies and she looks like it she also has a "star" on her chest can i please have your opinions | 
 
  A 'star' or 'blaze' on the chest or even the paws is rather common, and will turn to a light blonde as she ages.  I've read several places that it is also a sign that they will have a very thick coat, and that has certainly proven to be the case with my Scarlett (she's like a little bear). 
Pictures won't determine whether she's a purebred or not, as mixes can look like either parent or something totally different.  I will say though, that your aunt is wrong; there is NO such thing as a teacup yorkie.  They are all from one classification, Toy.  
Yorkshire Terrier Club of America (Awards)