Who are Demi Lovato's parents?

Demi Lovato's parents are Patrick Lovato and Dianna De La Garza (formerly Dianna Hart). They are divorced, and her mother is remarried to Eddie De La Garza.
Dianna De La Garza and Patrick Lovato.

But she considers Dianna and Eddie De La Garza (her stepdad) as her family. She doesn't have contact with her real father Patrick.