Selena Gomez' nip slip from last night has been making the rounds online today, and now it seems like we might know why the singer didn't immediately feel a draft when she popped out of her top.

Selena boob job rumors have been circulations for weeks, and now an LA plastic surgeon who specializes in breast augmentation says that based on the photos he's seen, there's little doubt that Gomez has been surgically enhanced.

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