Yes, yorkies from the same litter often have slightly different facial features...just like members of a human family may all resemble one another but yet each look different from the other. Some yorkies have what is referred to as a teddybear face or doll face and others have a more terrier looking face. I personally prefer the terrier face.
My kids picked out my pup for me, so the first time I saw in her person was the day we picked her up. I confess I thought she was the most homely looking pup. But she developed into what I think is a very cute girl with a darling terrier face...exactly what I like in a yorkie.
Congratulations on your new puppy! Looking forward to seeing a photo of Bella