Some of the biggest names in music and politics from Beyonce to European prime ministers rallied Saturday in a concert aimed at mobilizing action to eradicate extreme poverty.

Before thousands of people in New York's Central Park and a far greater audience on television, the Global Citizen Festival sought to use entertainment to broaden support for new United Nations development goals.

American R&B singer Chris Brown is set to be blocked from touring Australia, Immigration Minister Peter Dutton said Sunday, as the government sets up its efforts to tackle domestic violence.

Brown, who was convicted of assaulting his then-partner pop star Rihanna in 2009, was issued with a "notice of intention to consider refusal", just a day before tickets to his "One Hell of a Nite" tour were due to go on sale.

Rihanna or Amal Clooney? Giambattista Valli gladly acknowledges his debt to both of them.

But the Italian has no intention of saying which of his celebrity clients has done most to raise his burgeoning reputation as the go-to designer of choice for some of the world's leading fashion icons.

Norwegian designer Peter Dundas spearheaded a youthful revolution in Milan on Saturday, laying out his new vision for Roberto Cavalli as other top brands also embraced rejuvenation.

The Cavalli collection was one of the most eagerly awaited of the week, being the first to take place without the company's eponymous founder who has ceded control to a private equity group.

The epic film "Muhammad" by director Majid Majidi, which portrays the childhood of the Muslim prophet, will represent Iran in next year's competition for an Oscar for best foreign film, media reported Saturday.

With a budget of nearly $40 million (€34 million), partly funded by the state, "Muhammad", is the most expensive film in the history of Iranian cinema.

The new James Bond theme song, "Writing's On The Wall", was released Friday, with singer Sam Smith's nerves over how it would be received proving unfounded as fans hailed it as a classic.

The release comes a month before "Spectre", starring Daniel Craig as Bond, is released in Britain and Ireland on October 26 before a worldwide release on November 6.

Shakira, a longtime promoter of early childhood development and education, says being a mother has given her an even stronger connection to the issue.

The Grammy-winning performer and her soccer pro-partner Gerard Pique are the parents of 2-year-old Milan and 8-month-old Sasha.

Surviving in space is hard and scientists say "The Martian" shows precisely what challenges astronauts will face on a pioneering mission to Mars, even though it contains some big inaccuracies right from the get-go.

Case in point -- the colossal storm that causes the crew to abandon the movie's main character, botanist Mark Watney played by Matt Damon, would not have packed much of a punch on the Red Planet.

Australia on Thursday warned U.S. rapper Chris Brown could be denied a visa for an upcoming tour because of his criminal record, as it unveiled a Aus$100 million (US$70 million) package to end the "national disgrace" of domestic violence.

Prime Minister Malcolm Turnbull's first policy initiative since coming to power last week underscores the national debate that has erupted over family violence, which is claiming lives at the rate of nearly two women per week.

Like tens of thousands of their fellow countrymen fleeing war, members of a Syrian rock group exiled in Lebanon undertook a perilous journey to reach Europe.

But their trek, which has already taken them through five countries, has led to an unexpected 'exile concert tour', on the way to their hoped-for final destination of Germany.