Whitney Houston has passed away at age 48.

The I Will Always Love You singer's rep Kristen Foster confirmed the news to the Associated Press today.

Whitney had a celebrated career in the 80s and 90s but later hit the headlines for her tumultuous marriage to Bobby Brown and her battle with drugs.

She had one child, Bobbi Kristina, 18, from her union with the singer.

Whitney won six Grammy Awards, 22 American Music Awards and numerous other accolades. She sold over 55 million records in the US alone.

The Bodyguard star was seen out in Hollywood on Thursday night looking worse for wear with fears that she had suffered a relapse.

Tributes have already starting pouring in from people in the entertainment industry who are stunned by the news.

Her mentor Clive Davis was due to hold his annual pre-Grammy party in Los Angeles tonight.

Whitney's place and cause of death are not yet known.