Mary J. Blige is praying for Whitney Houston following claims she's addicted to crack cocaine.The singer was horrified by reports the 80s pop superstar, who is married to Bobby Brown, is hooked on drugs and living in squalor.Whitney's sister-in-law, Tina, made the allegations to America's National Enquirer magazine this week.The publication also ran shocking images of Whitney's bathroom littered with drug paraphernalia, including a crack-smoking pipe and cocaine-covered spoons.Blige told Britain's The Sun newspaper: "I'm saddened by the whole thing. Whitney is technically the best vocalist in the business."But the 'One' singer insists the troubled star - whose once stunning looks have been ravaged by her habit - can pull through and re-launch her career.She said: "Whitney will come through. I have every faith that she will make a breakthrough.

"I'm just praying for her now."