Tragic Pictures Inside Hotel Bathroom Where Whitney Houston's Body Found

One high-profile figure to speak out was Facebook boss Mark Zuckerberg, who said: 'R.I.P. Whitney Houston. Thank you for the amazing music you brought into the world.'

Whitney Houston's death cast a shadow over the music industry's most prestigious event - last night's Grammys.

Stars lined up to pay tribute to the singer, who had previously won six of the awards, with X-Factor judge Kelly Rowland saying on the red carpet: 'We lost our hero.

'I would not be standing here today if it was not for her. My prayers go out to her mother and her daughter. If we feel this loss, I can only imagine how heavy their loss is.'