Diane Dale, or Diane Mallette, is Justin Bieber’s maternal grandmother. She was a major influence in the pop star’s upbringing. Diane has had a very close relationship with Justin and his family throughout her life. She is famous for being strong, loving, and supportive over the years. Below is all you will ever need to know about her.
Quick Facts About Diane Mallette
| Full Name | Diane Dale (née Henry), also known as Diane Mallette |
| Birthdate | December 24, 1950 |
| Occupation | N/A |
| Husband/Wife | Bruce Dale (step-grandfather to Justin Bieber) |
| Education | N/A |
| Age | 74 years and 5 months old |
| Parents | Venant Eugène Henry and Estelle Germain |
| Grandchildren | Justin Bieber |
| Children | Pattie Mallette (Justin Bieber’s mother), Chris Dale |
| Net Worth | <$1 million |
Early Life and Family Background
Diane Mallette was born on December 24, 1950. She is currently 74 years old as of 2025. Her birth name is Diane Henry. She is from a French Canadian background. Her parents were Venant Eugène Henry and Estelle Germain. Diane’s ancestry traces back to the Perche province in France. Several of her ancestors were some of the early French colonists to Canada.
Diane has two children. Her daughter is Pattie Mallette, Justin Bieber’s mother. She also has a son named Chris Dale. Diane was initially married to Michael Mallette. That is where the surname “Mallette” originated. She remarried Bruce Dale after the first marriage ended. He is Justin’s step-grandfather.
Raising Justin Bieber
Diane assisted in raising Justin in Stratford, Ontario. Justin grew up with his mother, Pattie, and his grandparents for most of his life. Diane and Bruce Dale were available at all times to assist. They encouraged Justin when he pursued a career as a singer.
Diane’s house was a sanctuary for Justin during childhood. She would frequently take care of him when Pattie was not available or was working. Their relationship became stronger through such early years. Diane acted as a second mother to him.
Her Support in Justin’s Career
Diane has attended Justin’s events numerous times. She’s attended concerts, red carpet premieres, and even toured with him. Back in 2016, she was seen with him in Scotland for his “Purpose” tour. Her loyalty has always been apparent.
At Justin’s movie Believe premiere, Diane made headlines by joking about his style. She instructed him to “pull up his pants.” This instance revealed her playful and compassionate nature.
Diane has been proud of how far Justin has reached. She has supported him during good times and stayed with him during difficult times. Her love for him has never wavered.
2023 Car Accident
Diane and her husband Bruce were in a critical automobile accident in December 2023. Their vehicle overturned into a ditch and was severely damaged. Diane injured her finger. It was broken and swollen. Bruce cracked some ribs. Although the accident was frightening, both of them survived.
Diane was praised as “tough as nails.” She did not let the injury hold her back. Her determination impressed a lot of fans.
Her Family History and Heritage
Diane’s heritage is full of history. Her ancestors emigrated to Canada from France several years ago. They were one of the first colonists in Quebec. Her French Canadian heritage is also Justin’s heritage. He usually talks of how much he loves Canada and his family, which includes Diane.
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Diane Today
Diane remains close to her family. She loves being around Justin and his wife, Hailey Bieber. She is now a great-grandmother figure in the expanding Bieber family.
Although she remains behind the scenes, Diane remains a vital part of Justin’s life. Her nurturing and support influenced the man Justin has become.
