We all know of the infamous night Britney united with Paris Hilton and Lindsay Lohan. It was the same night Britney flashed her kitty. Iconic all the way around.  A user who goes by the username popculturediedin2009 (@pcd200900 on Twitter went into DE-MF-TAIL about all the events leading up to the night, and it's worth your undivided attention.  Class is in session!