Stars have paid tribute to Bee Gees star Robin Gibb, who lost his battle with cancer last night (20.05.12).

The music world has been rocked by the loss of the singer/ songwriter - who sold over 220 million records and changed the face of disco music alongside his brothers Barry and Maurice in the group - and many have rushed to offer their condolence and pay tribute.

Dolly Parton says her good friends and God stopped her from being like Whitney Houston.

The country musician believes the singer - who died of accidental drowning due to the effects of heart disease and cocaine use last month - failed to ''make sure she was surrounded by the right people, and the right things'', and the country star is grateful to her ''close friends'' for not ending up in a similar situation.

Katy Perry is donating proceeds from her new single to charity.

The 27-year-old singer will give the profits from download sales of her current track 'Part of Me' to the MusiCares organisation, which provides financial, medical and personal assistance to musicians in need.

Sir Paul McCartney has personally laid flowers for Whitney Houston.

The Beatles legend was in Los Angeles when the 48-year-old singer was found dead at the city's Beverly Hilton hotel on Saturday (11.02.12) and wanted to leave a personal tribute to the 'I Will Always Love You' star.

Celine Dion has blamed a showbiz drug culture for Whitney Houston's death.

The 'My Heart Will Go On' hitmaker has described the singer - who was found dead in the bath in her Beverly Hilton hotel room on Saturday afternoon (11.02.12) - as an ''amazing inspiration'' and compared her fate to other late stars such as Elvis Presley and Michael Jackson, both of whom had substance abuse issues, following their shock deaths.

Simon Cowell has proclaimed Whitney Houston to be ''one of the greatest superstars of all time''.

The music mogul and 'X Factor' judge is one of a number of high-profile stars to pay tribute to the 48-year-old singer - who died in a hotel room yesterday (11.02.12) - saying he was ''devastated'' by her passing.