Taking to Instagram, Lisa shared an old photo of her family, writing: "Farewell to my sweet, beautiful mum, Beryl. You were an angel, a fighter, and a devoted mum and grandma right to the end. Be at gentle peace now. xxx"
Tributes are already flowing in from friends and fans in the comments section of the post.
"Sending you our prayers and condolences ❤❤❤ May she rest in peace," one person wrote.
"Condolences to you and your family. So sorry to hear of your loss," said another.
Sending love to Lisa and her family in this tough time.