WTW!!! Miley Cyrus’ Shocking Birthday Party Photo! [NSFW PHOTO]

Way to keep it classy, Miley! This is how Miley Cyrus celebrated her boyfriend Liam's birthday Saturday (Yes, it's a penis cake!) ...

JUST ASKING: Which will happen first - Miley in rehab, or a legit s*x video of her leaked on the 'net?