According to the Huffington Post, Whitney Houston is back in rehab for drug and alcohol treatment. At one time, Whitney was on top of the world, with one of the most amazing voices around. But troubles came and knocked her down. Between her drama filled relationship with Bobby Brown, to her problems with drugs and alcohol.

She cleaned up in 2009 and was working on a tour for 2010, but faced more issues regarding illness and critical reviews of her performance. Let's take a look at her amazing journey:

Whitney Houston - 'I Wanna Dance With Somebody'

Whitney Houston - 'I Will Always Love You' (Divas Live 1999)

Whitney Houston on 'Being Bobby Brown'

Whitney Houston "Crack Is Whack" Interview with Dianne Sawyer

Whitney Houston Live in Sydney