Did Selena Gomez get breast implants?

There are speculations that 21 year old singer and actress Selena Gomez may have gotten breast implants after she was spotted on the streets of New York yesterday with fuller boobs. (left is Selena a while back and right is what her boobs look like now).

Justin Bieber's girlfriend went bra-less in a sheer black top as she went to lunch with friends. You think she got implants? See more photos after the cut...

Selena at Met Gala in New York City this May (L) and Selena in New York yesterday (R)...