By Alexis Tereszcuk - Breaking Celebrity News Senior Reporter

Demi Lovato’s ailing father has a heartbreaking message for his estranged daughter: please call me.

Patrick Lovato exclusively told Breaking Celebrity News that he has been desperately trying to reach his 19-year-old Disney star daughter, but so far to no avail.

“I love her so much, and I just want her to call me,” Patrick said.  “This is the only way I can talk to her, I try to reach her but it never works.”

Patrick lives in New Mexico and is divorced from Demi’s mother Dianna and through his tears he said that he misses his daughter.

“It is not like I want anything from her, all I want is her love,” he said. 

It has been a year since Demi had a meltdown on a plane with the Jonas Brothers and attacked a dancer, spurring her to check into a treatment center; and Patrick said that was the last opportunity he got to speak with his daughter.

As Breaking Celebrity News previously reported, Patrick said Demi called him last November, d