Author: BBC News - Entertainment & Arts

"Like my mum said to me so many times, 'When you know about someone, you just know'."

Former Baywatch star David Hasselhoff marries Hayley Roberts at a private ceremony in Italy.

Former Baywatch star David Hasselhoff marries Hayley Roberts at a private ceremony in Italy.

The 25-year-old is receiving treatment after telling fans, "I don't feel like living any more".

The 25-year-old is receiving treatment after telling fans, "I don't feel like living any more".

Eight-year-old Grace had to have brain surgery last week, which meant she could not go to Katy's concert.

Eight-year-old Grace had to have brain surgery last week, which meant she could not go to Katy's concert.

Fans will also be able to bid for a Stormtrooper helmet and a lightsaber at the auction in London.

How the Colombian-American singer went from sleeping rough to working with Snoop Dogg and Gorillaz.

Celebrities and individuals are being attacked online by groups of fans who believe they are acting in the interests of their obsession.