The fashion designer's actress mum Mary Davidson is celebrating her 65th birthday today (06.08.15) and Sadie took to her Instagram account to post a tribute to her, describing her as a "survivor" and an "amazing" parent.
Sadie Frost's Instagram Post Of Her Mother
Along with a photo of Mary when she was 16, Sadie, whose dad is artist David Vaughan posted "Today is my mothers birthday - this photo is when she gave birth to me when she was 16!! She has been the most amazing mother, she is an inspiration, a beauty, a survivor! I love u mama @maryizabeth."
Mary's mothering instincts have remained strong throughout her life as she previously worked as a nanny for Sadie's best friend Kate Moss.
She is also grandmother to Sadie's four children, 24-year-old Finlay, her son with first husband Gary Kemp and Rafferty, 18, Iris, 14, and Rudy, 12, with her second spouse Jude Law.
In June, Sadie had a celebration of her own, turning 50 she had a star-studded party held at Black Dice in London and guests included supermodel Kate Moss and Nick Grimshaw.
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