Miley Cyrus' 'friend' spoofs salvia bong hit in music video
A. Nothing, it's a private party.
B. Call TMZ and rat her out.
C. Use it to try and launch a music career.
If C is your final answer, then you must be Rachael Moran, singer/songwriter, who just happened to be at the same party and is deciding to cash in on the "scandal" while the joint's still lit.