Billie Lourd is handling the death of her mother and grandmother "very well"

He told Entertainment Tonight: "I saw Billie last week. If there’s anybody that can take something so tragic in their life happening, it’s Billie. She’s a person who was raised by two very strong women and she’s a very strong woman.

"You know, I think she’s digesting it very well. She’s very emotionally intelligent, and I think she’s got a great group of friends around her that are supporting her, and I hope I am one of them."

It comes after the 24-year-old actress thanked her friends for their support through the difficult time.

Alongside the photo of her and her pals wearing onesies, she wrote: "This group of onesie clad supremely supportive humans (and many others #notpicturedbutinthepicture) are the kings and queens of my world #greatefulfortheirgreatness #friendsfindingthefunny (sic)"

And in another Instagram tribute to her mother, Billie shared a quote by the Hollywood star and revealed that she will keep her mother's voice "forever" in her heart as she learned so much from her.

She wrote on the photo-sharing app: "If my life weren't funny then it would just be true and that is unacceptable" - Finding the funny might take a while but I learned from the best and her voice will forever be in my head and in my heart (sic)"

Carrie and Debbie were remembered at a memorial service earlier this month and some of Carrie's ashes were buried with her mother at their final resting place at Hollywood's Forest Lawn Memorial Park.