Big Boi was unable to join Outkast.
Antwan André Patton ( born February 1 , 1975 ) , better known by his stage name Big Boi , is an American rapper , songwriter , actor and record producer , best known for being a member of American hip hop duo Outkast alongside André 3000 . Vicious Lies and Dangerous Rumors is the second solo album by American rapper and OutKast-member Big Boi , released on December 11 , 2012 , by Purple Ribbon Records and Def Jam Recordings .