Pop queen Katy Perry says she is the world's Twitter leader because she does not preach and she is ready to unleash her "terrifying" social media army.

Perry has a record 48 million followers on Twitter -- more than Justin Bieber -- and she told Agence France Presse that she is ready to put her force to good use.

From the royal diadem worn by Kate Middleton at her wedding to an outsized maharaja's necklace, hundreds of glimmering treasures go on show this week in a major Paris exhibit on Cartier.

"Jeweler of Kings and King of Jewelers" was how King Edward VII dubbed the house, half a century after Louis-Francois Cartier founded what would become the world's largest jeweler in 1847.

Production on "Fast & Furious 7" is on hold following the death of star Paul Walker.

Shooting on the film had been scheduled to resume this week in Atlanta but was canceled Monday and Tuesday. A spokesman for Universal Pictures declined to say when shooting will resume.

Fire-breathers, contortionists, snake charmers and hunky dancers welcomed Britney Spears to the Planet Hollywood Resort & Casino on Tuesday afternoon in a staged event kicking off the pop icon's two-year Las Vegas residency.

One block of the Strip was briefly shut down as the star pulled up to the casino in a convoy of black Cadillac Escalades.

Michael Jackson's mother Katherine is seeking a retrial against tour promoters AEG Live, who were found not liable over the pop icon's 2009 death, court documents show.

The 83-year-old claims the verdict reached in October after a five-month trial in Los Angeles is invalid because of alleged jury misconduct, new evidence and "an error in law," according to a legal filing Monday.

Police in the U.S. city where "Fast and Furious" star Paul Walker died warned fans Monday against "burning rubber" near the spot where he was killed, as they probed the fatal car crash.

They issued the caution after reports of people pulling stunt maneuvers on the stretch of road in Santa Clarita, northwest of Los Angeles, where Walker died in a fiery smash on Saturday.

The movie adaptation of Fifty Shades of Grey, the bestselling erotic novel by E.L. James, has started filming in westernmost Canada.

Due to be released on Valentine's Day 2015, the first of the trilogy began shooting in Vancouver's historic cobblestone Gastown neighborhood on Sunday, said the daily Vancouver Sun.

Actor Ryan O'Neal told a jury Monday that he owns an Andy Warhol portrait of late actress Farrah Fawcett and it was not a secret that he had removed the artwork from her home after her death.

"The painting is mine," the Oscar-nominated actor testified during a lawsuit filed by the University of Texas at Austin to determine ownership of the portrait done in 1980.

A Los Angeles judge has finalized Diane Lane and Josh Brolin's divorce.

Court records show that the couple's divorce judgment was entered by a court Wednesday. The pair were married for more than eight years when they filed for divorce in February.

One-of-a-kind Lady Gaga has been replicated.

The pop star unveiled life-size dolls in her likeness, dressed in her flamboyant costumes, at a Tokyo event Sunday. A person leaning against the silicon doll's chest can hear Lady Gaga music and messages.