R&B singer says he can't "give fans what they typically expect" due to health issues.
Artists across genres have come together for good causes.
Dennis Rodman, Janet Jackson and Kandi Burruss also celebrate this week.
Exclusive: More Bobby. More Ralph. More ratchets. (11/12/2013)
Duane gets replaced by Kevin for a TV show (that co-stars Tisha). Nelly and Eric Benet try to help Bobby Brown with his "comeback."
Highlights from day three of the BET Experience After Dark.