New York radio station Hot 97 unveiled the lineupThursday for its Summer Jam 2012 extravaganza, naming Nicki Minaj as the headlining act.  In addition to Minaj, the event boasts secondary acts such as Rick Ross, Young Jeezy, Wacka Flocka Flame, Tyga, Trey Songz and many more.  The event is scheduled for June 3rd at the Metlife Stadium in East Rutherford, New Jersey.  Tickets for the even are already on sale through Ticketmaster.  Click Here for more info.