OH JEESHHHHHHHHHHHh Why all the fuss. She knows it's a mix and you guys are trying to debate like usual.
To answer your question
They can look either pom or yorkie. You can usually tell when they are young pretty much which they will take after. I myself have one and she is ADORABLE. She looks like a litle fox. She has the pom characteristics mostly but the yorkie coloring pops through and her hair is a cross betewn full like a pom and silky so it droops a bit , which is from the yorkie. I find her a true delight and not at all barky or mean spirited.
She is 4 pounds full grown ,which was a surprise to me because I thought she would get larger.