Robin Thicke, Estelle, Tyson Beckford, Kerry Washington, Gayle King, Iman, Alicia Keys, Usher, Halle Berry, Spike Lee, Tyler Perry, Queen Latifah were some of the many celebrities at the 6th Annual Keep A Child Alive Black Ball in New York, yesterday October 15th, 2009. “Keep a Child Alive is an organization dedicated to providing life-saving anti-retroviral treatment, care …