Mary J. Blige, Erica Reid, Tina Knowles and Beyonce

NEW YORK, NY - MAY 08: (L-R) Mary J. Blige, Erica Reid, Tina Knowles and Beyonce attend Antonio "L.A." Reid's book launch event for his wife Erica Reid's book "The Thriving Child" at private residence on May 8, 2012 in New York City. (Photo by Larry Busacca/WireImage)