Lady Gaga says she's "heartsick" to postpone four shows after sustaining an injury that's left her unable to walk.

A Tuesday news release says performances set for Feb. 13-14 in Chicago, Feb. 16 in Detroit and Feb. 17 in Hamilton, Ontario, Canada, have been postponed due to a case of synovitis, a severe joint inflammation.

Oprah Winfrey made a surprise appearance Tuesday night at the premiere of Beyonce's HBO documentary, 'Life is But a Dream,' posing with the star and speaking of the candor she showed in making it.

The film takes a no-holds-barred look at moments in the 31-year old singer's life, including her miscarriage, reports of faking her pregnancy, and firing her father as her manager.

Being blindfolded, handcuffed and locked in a dark room under the gaze of a surveillance camera is not everybody's idea of fun. But a new game in high-pressure Hong Kong is playing on people's escapist fantasies.

Freeing HK is a "real escape game" in which players are pitted against a ticking clock as they desperately try to work their way out of the room by finding clues, cracking codes, and solving puzzles.

An Australian women's magazine Wednesday defended its decision to publish pictures of a bikini-clad Duchess of Cambridge which show her baby bump, saying they were a "beautiful" set of images.

Woman's Day is set to run shots of Prince William's wife Catherine taken while the royal couple were holidaying on the Caribbean island of Mustique in their next edition out Monday.

The comedy "Identity Thief" defied mediocre reviews by critics and topped the box office in the United States and Canada in its opening weekend, industry figures showed Monday.

The comedy, starring Jason Bateman from the TV series "Arrested Development" and "Bridesmaids" breakaway star Melissa McCarthy, pulled in $34.6 million from Friday to Sunday, according to tracking firm Exhibitor Relations.

The stars of "Chicago" will reunite as presenters at this year's Oscars show, on the 10th anniversary of the film's Academy Award win for best picture, organizers said Monday.

Renee Zellweger, Catherine Zeta-Jones, Richard Gere and Queen Latifah will join already-announced presenters including "Avengers" stars Robert Downey Jr., Chris Evans, Samuel L. Jackson, Jeremy Renner and Mark Ruffalo.

Rio's Carnival festivities reached their crescendo late Monday with a final night of samba school parades, part of a contest appropriately dubbed the greatest show on earth.

The top dance schools showcased elaborate floats decked with scantily-clad beauty queens writhing to the beat of samba music blasted from giant speakers on flatbed trucks.

Colors at this New York Fashion Week have often seemed tuned to the stormy weather outside, but Marc Jacobs is among those who've decided to bring sunshine -- even if only onto the catwalk.

The trend setter is always keenly awaited and even more so at this autumn-winter 2013 show, given scheduling problems that forced him to reshuffle the calendar.

Victoria Beckham, who moved back to London a few months ago, on Sunday sent out a ready-to-wear collection for next winter infused with British flair -- tweed, plaid and her first attempt at knitwear.

Her footballer husband David, who will start training with his new team Paris Saint-Germain on Wednesday, cheered on his wife as usual from the front row under the marble arches in the New York Public Library.

U.S. television network CBS may have warned stars not to show too much skin on stage Sunday at the Grammys, but the music industry's A-listers tested the limits in body-conscious, revealing gowns.

Jennifer Lopez, whose plunging barely-there green Versace gown at the 2000 Grammys provided a red carpet moment for the ages, pushed the dress code to the edge with a daring black dress that covered most -- but not all -- of her.