
Britney Spears and Demi Lovato are bringing their star power to Fox's "The X Factor."
THIS IS A BREAKING NEWS UPDATE. Check back soon for further information. AP's earlier story is below.
Fox is promising changes to underperforming competition shows "American Idol" and "The X Factor" and trying to breathe new life into "Glee" by moving it to a new night and adding guest stars Kate Hudson and Sarah Jessica Parker.
Britney Spears is coming to the rescue of Fox's "The X Factor," the singing contest in search of a ratings boost.

He gets colonic irrigations, Botox injections and vitamin drips, and insists on black toilet paper in his home.
Simon Cowell predicted "The X Factor" would be a TV hit and eclipse his ex-employer, "American Idol." He was wrong, and now his show has been gutted of three of its five stars, including Paula Abdul, putting its future in question.
Benedict Cumberbatch is shrugging off British newspaper criticism of his female co-star's nude scene in TV's latest season of "Sherlock."

No lie here: Showtime is offering the premiere of its upcoming Don Cheadle and Kristen Bell comedy "House of Lies" early.

After generating series-high ratings for Wednesday's freshman-season finale of "American Horror Story," series co-creator Ryan Murphy and FX President John Landgraf announced Thursday that there would be a new family and a new house in the horror-thriller's second season, according to the Hollywood Reporter.