According to the alleged victim, Baylee Curran, here's what happened leading up to her 911 call.
She recounted the series of events, from her perspective, to Extra:
So much talent in only one picture!
These two love birds were nestling up against each other when Jay-Z wasn't up on stage totally rocking out with his - well, you know what we mean.
On Saturday night, the rapper was joined onstage by Pearl Jam for a rendition of the rapper's 99 problems.
It was just the apex of one fantastic night.
We'd seriously be surprised at this point if Jay's got one problem, let alone 99 - ha!