Beyonce Knowles and Lady Gaga are among 36 prominent women who have signed a petition calling Sunday on the G7 and the African Union to tackle female poverty.

The U.S. singers were joined by actresses Meryl Streep, Charlize Theron, Rosamund Pike and Rita Wilson in signing the letter, issued on International Women's Day.

Every week, whenever possible, two of the most important people on the planet chat for about 20 minutes. It is a meeting held in complete secret.

The conversations between the United Kingdom's monarch and the prime minister take place in a room in Buckingham Palace with no one else present and no official records taken.

Katy Perry and Kim Kardashian were the queens of the night at Givenchy's star-studded dusk show in Paris, rocking all-black Givenchy outfits side-by-side as Kanye West, also in black, lurked in the back.

The remaining celebrity attendees, actresses Jessica Chastain, Amanda Seyfried and Noomi Rapace just didn't stand a chance.

Talk about a cool dude: he once stopped a sulfuric acid leak with a piece of chocolate, and dismantled a missile using a trombone.

The 1980s U.S. television character, secret agent Angus MacGyver, could do it all. And in 2016 his successor will be a woman, if a U.S. engineering association has its way.

Oscar-winning Australian actress Cate Blanchett and her husband have adopted a daughter, their fourth child, the couple's management said Saturday.

"The Upton family have adopted a baby girl," a statement issued on behalf of the pair said. "Her name is Edith Vivian Patricia Upton."

Prince, never one to tie himself down to music industry practices, is planning a U.S. tour. But how to find out where the shows are taking place is another question.

Prince's promoters announced Friday that the rock icon will bring his "Hit and Run" tour to the United States, which last year saw him play across Europe in a series of shows revealed at the last minute -- including two a night in both Paris and London.

U.S. rapper Kanye West has announced he will perform a series of concerts over four days from Saturday at the Fondation Louis Vuitton during Paris Fashion Week.

Proceeds from the gigs will go to an as-yet unspecified charity, the Fondation said on its website.

Kim Kardashian flashed a new, platinum blonde hair-do at the Paris Fashion Week on Thursday as she watched the shows with rapper hubby Kanye West.

The attention-grabbing make-over by the normally brunette American reality TV star overshadowed the 2015 autumn collections unveiled by fashion houses Balmain and Lanvin, with photographers pushing to get snaps of the dyed diva.

Frustrated over the cancellation of Rio Fashion Week, several young models took their runway strutting to the streets, defiantly showing off the creations they had planned to wear on the catwalk.

The models -- students at a local fashion school -- paraded in cropped tops and flirty pencil skirts in the city's chic Ipanema neighborhood late Thursday.

Paul McCartney is extending a world tour with nine dates in Europe, including an emotional return to the Beatles' native Liverpool and a headline appearance at Denmark's Roskilde Festival.

The 72-year-old British icon will play his first shows in his native country since 2012 with three shows in May in London, Birmingham and Liverpool, he said in a statement Friday.