Put 5 Seconds Of Summer In Your Middle With This AMAZING Cover!

Now you know where Demi Lovato gets her courage and honesty!

People got some excerpts for momma Dianna De La Garza‘s upcoming memoir, Falling With Wings, and it is shockingly candid.

First, she goes into detail about the abuse suffered at the hands of Dallas and Demi’s father, Pat Lovato, who she says once slammed the door on her hand so hard, her finger came off.

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Then she admits her nightmare moments as a mom — like the time she thought Demi had committed suicide (the Cool For The Summer singer had fallen asleep cutting herself).

See some of the moving excerpts of the book, available March 6 (below)!

[Image via MacMillan.]