Words of wisdom from the late icon.
Grandma is reportedly "pissed" that the young couple tied the knot.
T-Pain, India.Arie and Grant Hill also celebrate this week.
Singer Cissy Houston was born on Sept. 30, 1933, in Newark, New Jersey.
Whitney Houston's mama turns 80 this week.
(Photo: Michael Buckner/Getty Images For BET)
Things must be bad between Cissy Houston and her granddaughter Bobbi Kristina Brown if the matriarch had to use an open letter to reach out to her. In the apology letter, Houston walks back her criticism of Brown's recent engagement to Nick Gordon...