American hip hop superstar Kanye West was the surprise celebrity guest at the lavish wedding party this weekend in Almaty of the grandson of Kazakh President Nursultan Nazarbayev, Kazakh media reports said Monday.

Aisultan Nazarbayev celebrated his marriage to bride Alima Boranbayeva in a no expense spared party on Saturday night at the Royal Tulip hotel in Almaty, the Tengri news website reported.

The Venice film festival descended briefly into chaos Sunday as screaming "Harry Potter" fans stampeded across the seafront after British star Daniel Radcliffe, in town to present his new film.

Radcliffe, who rose to fame playing the child wizard, was surrounded by bodyguards and police, but that did not stop some admirers pushing their way into the bathroom with him during a press conference break.

British TV giant David Frost, 74, who interviewed the world's great and good in a half-century broadcasting career, has died of a heart attack on board the Queen Elizabeth cruise liner, his family said.

Frost, celebrated for his 1977 talks with Richard Nixon that coaxed an unexpected apology from the disgraced US president over the Watergate scandal, died Saturday.

With flying pigs and wigs, Lady Gaga debuted her "ARTPOP" songs at the iTunes Festival.

The pop star performed seven new songs, as she headlined the event at London's Roundhouse Sunday night.

Daniel Barenboim, the world-famous conductor, opened the Enescu international music festival in Bucharest on Sunday, one of the most prestigious events in the arts calendar.

Barenboim conducted with the internationally acclaimed pianist Rada Lupu and the Berlin Staatskapelle orchestra.

22-year-old Karen Ghrawi was crowned on Saturday Miss Lebanon 2013 in a huge ceremony at the Beirut International Exhibition and Leisure Center BIEL.

Miss Lebanon 2012, Rina Chibani handed over the crown to Karen, who reserved her spot in Miss World pageant that will be held in Indonesia on September 28.

Italian soft porn director Tinto Brass, the subject of a documentary screening at Venice film festival Saturday, told reporters he wants to make a film about ex-premier Silvio Berlusconi's escorts.

"I want to make a film about Berlusconi. I had in mind the title 'Thank you, Daddy'", Brass said, referring to the nickname given to Berlusconi by the girls who attended the famously bawdy parties in his villa.

Lindsay Lohan is a no-show at the Venice Film Festival, where she was expected to promote the erotic thriller "The Canyons."

Director Paul Schrader declared himself "a free man" at a news conference Friday presenting the film.

Michael Douglas was the big name star on the red carpet as the 39th Deauville film festival opened on Friday night with a screening of the actor's latest movie, "My Life with Liberace".

Douglas, who was accompanied by the film's director Steven Soderbergh, said: "Liberace was bigger than Elvis. Lady Gaga and Elton John learnt from him."

Veteran Hollywood actor-director Clint Eastwood and his wife Dina have separated after 17 years of marriage, People magazine reported Friday.

The 83-year-old "Dirty Harry" star and his 48-year-old wife have been living apart for some time, People reported, citing an unidentified source as saying: "This is really sad .. They were great partners for many years."