Singer Demi Lovato arrives at Fox’s “The X Factor” Season 3 premiere party at Ciccone Restaurant on September 5, 2013 in West Hollywood, California. (Photo/Getty Images)

Demi Lovato signs book deal, plans tell-all memoir about rehab

 Demi Lovato is an actress, singer, performer and now, a soon-to-be published author.

The singer-actress has agreed to a multi-book deal with Feiwel (FYE’-well) and Friends, reports the Associated Press.

The publisher, an imprint of Macmillan, announced the deal Monday.

In very 21-st century style, the first book will feature tweets by Lovato — all published during her life’s challenges. The book will be titled “Staying Strong: 365 Days a Year” and is slated to hit store shelves in November.

Lovato is also planning to pen a memoir. The 21-year-old superstar has openly struggled with drug addiction and other personal troubles.

Lovato — who will be seen this fall on several episodes of “Glee” — is currently in her second year as an “X Factor” mentor. The third season of the singing competition begins Wednesday, Sept. 11 at 8/7 central on FOX.

The Associated Press contributed to this story.

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