The Avengers are mighty, but not enough to beat themselves. The Marvel and Disney sequel earned a staggering $187.7 million in its debut weekend, making it the second biggest U.S. opening of all time according to Rentrak estimates Sunday.

But "Avengers: Age of Ultron" failed to top the all-time record of the first film's $207.4 million debut in 2012.

Prince William's wife Kate gave birth to a girl on Saturday, sparking celebrations for the royal couple's new arrival, a princess who becomes the fourth in line to the British throne.

"Her Royal Highness The Duchess of Cambridge was safely delivered of a daughter at 8.34am," the royal residence of Kensington Palace said in a statement.

Classic 1970s TV series "Roots," about one African family's struggle to survive slavery over generations, is to be remade for US television next year, the companies behind it said Friday.

Emmy-award winning actor LeVar Burton, who played Kunta Kinte in the original show, will serve as executive co-producer on the new series, being made by TV companies History, A&E Network and Lifetime.

Ben E. King, the soul singer whose Gospel-influenced "Stand By Me" became one of the most broadcast songs of the 20th century, has died at 76, his spokesman said Friday.

King, who lived in New Jersey, died of natural causes on Thursday, spokesman Phil Brown told Agence France Presse.

Olympic champion turned transgender reality TV star Bruce Jenner is being sued for wrongful death damages over a car crash which killed a 69-year-old woman, legal documents filed Friday showed.

The stepchildren of the dead woman, Kim Howe, are seeking unspecified compensation over the accident in February, involving four cars on the Pacific Coast Highway in the Los Angeles metro area.

Actor Nicholas Brendon says a warrant for his arrest in Florida is a "huge misunderstanding."

Brendon, who has appeared on the television series "Buffy the Vampire Slayer" and "Criminal Minds," was arrested in March in Tallahassee after a disturbance at a hotel.

Actress Sofia Vergara's ex- fiancé's demands that she give him two frozen embryos they created — referring to them as "our girls" — highlights the wider legal and ethical issues surrounding frozen embryos created by in-vitro fertilization.

Businessman Nick Loeb wrote Wednesday on NYTimes.com that he has sued the "Modern Family" star for the embryos because he longs to become a parent and doesn't want the "two lives" they created to "be destroyed or sit in a freezer until the end of time."

Britney Spears has canceled two shows in Las Vegas this weekend after injuring her ankle in an embarrassing onstage fall, her publicist said Thursday.

"Britney injured her ankle during her performance Wednesday evening and her doctor has advised her not to perform Friday and Saturday evening so that she may heal," said a statement.

Prince William and the Duchess of Cambridge Wednesday marked their fourth wedding anniversary while waiting for the birth of their second child.

The former Kate Middleton is expected to give birth in the coming days. Palace officials have said she is due in late April without providing further details.

Pop star Justin Bieber on Wednesday laughed off media reports that he was quizzed by police in Rome over Argentina's request for him to be arrested over the alleged assault of a photographer.

Two of the country's most respected dailies, La Repubblica and Corriere della Sera, said the Canadian heart throb had been interrogated at his five-star hotel, but had not been arrested.