Last updated on: November 11, 2025
Dianna Lee Hart, also known as Dianna De La Garza, is best known for being the mother of the singer and actress Demi Lovato. But she is much more than that. She is a former Dallas Cowboys cheerleader, a country music singer, author, and motivational speaker. Her story is one of strength, love, and courage.

Quick Facts About Dianna Lee Hart
| Full Name | Dianna Lee Hart (Professionally known as Dianna De La Garza) |
| Birthdate | August 8, 1962 |
| Occupation | Former Dallas Cowboys Cheerleader, Country Music Singer, Author, Motivational Speaker |
| Husband/Wife | Eddie De La Garza |
| Ex-Husband | Patrick Martin Lovato (Engineer and Musician; Died June 22, 2013) |
| Education | Graduate |
| Age | 63 years and 3 months old |
| Parents | Raised in a Strict Christian Family (Names Not Known) |
| Siblings | Not Known |
| Children | Dallas Lovato, Demi Lovato, Madison De La Garza (Daughters) |
| Stepchild | Amber Lovato (Demi’s Older Paternal Half-Sister) |
| Net Worth | Estimated around $2 Million |
Early Life and Background
She was born Dianna Lee Hart on August 8, 1962, in Irving, Texas, to a rigidly observant Christian family that brought her up with a high level of discipline and piety. Dianna loved to perform from an early age. She liked to sing, dance, and cheer.
Her dream of being on stage came true when she became a Dallas Cowboys Cheerleader. It was a proud moment for her. This role gave her confidence and helped her start a life in entertainment.
Career in Music and Entertainment
After cheerleading, Dianna followed her heart into country music, performing in local clubs and events around Texas. Her soft but strong voice made her stand out. Music was her first love, and she shared that love with her daughters.
Dianna also ventured into acting and producing. She has done work behind the camera and in front of it. Later, she managed her daughter Demi Lovato’s early career, guiding her through auditions and performances. Her support meant a lot in Demi’s success as a child star.
Marriage and Family Life
She was first married to Patrick Martin Lovato, an engineer and musician. Together, they had two daughters — Dallas Lovato and Demi Lovato. Their marriage ended in 1994. The couple’s busy lives and long distance made it hard to stay together.
A few years later, Dianna married Eddie De La Garza. Eddie proved to be a great stepfather for Dallas and Demi. He and Dianna welcomed a daughter in 2001, Madison De La Garza. Much later, Madison was known from Desperate Housewives.
Dianna’s family includes:
Dallas Lovato – actress and voice artist

Demi Lovato is a famous singer and actress.
Madison De La Garza – actress

Amber Lovato – her stepdaughter from Patrick Lovato’s first marriage

Despite all the turmoils, Dianna has kept her family close ever since.

Supporting Demi Lovato’s Journey
Dianna was highly influential in Demi Lovato’s career. She had noticed her talent since she was young and had encouraged her to sing and act as well. She helped Demi through auditions and guided her through the tough parts of fame.
But their family’s life wasn’t always so easy. Dianna herself struggled with depression and anxiety. When Demi faced mental health and addiction issues, Dianna stood by her side. She helped her daughter through recovery and encouraged her to stay strong.
In 2018, Dianna wrote a book entitled “Falling with Wings: A Mother’s Story.” She shared her story of motherhood, the struggles of mental health, and how her family learned to heal. It is a book that reveals her honesty and strength as a woman and a mom.
READ ALSO: Demi Lovato Net worth, Age, Husband, Family, Facts & More
Life Today
Today, Dianna lives a peaceful and joyful life with her family. She loves to speak about awareness of mental health and self-care. Her voice has inspired many parents who are facing similar struggles.
She continues to be proud of her daughters’ achievements and remains supportive of them. Dianna often shares her thoughts and family moments on social media, staying connected with fans.
Net Worth and Legacy
As of 2025, Dianna Lee Hart has an estimated net worth of $2 million. Much of her income comes from her music, books, and speaking events. But her real success pertains not to money or fame but to the love she gives to her family and the lessons she imparts to others.

