It looks like the relationship between singer Keyshia Cole and her mother Frankie is still strained because of Frankie's substance abuse. During an appearance on "The Wendy Williams Show," Cole said that she is hoping for the best for her mother, who is currently trying to get clean on VH1's "Celebrity Rehab." Here's what you had to say: Brenda commented via Facebook: "Wow. Frankie's on 'Celebrity Rehab' in Pasadena." Nia wrote via Facebook: "I've had to let go of too many family members who were battling with substance abuse."