Sean Combs has announced a special Biggie Birthday Bad Boy Reunion Concert is set to go down this May 20th at Barclay’s Center. For the reunion show talking place will be Puff Daddy and The Family, JAY Z, Mary, J. Blige, Ma$e, French Montana, and Lil Kim among other guest appearances.Tickets for this show will go on-sale on Saturday, April 1 at 11:00am ET.