Demi Moore isn't a regular grandma, she's a stylish one.

"Snow days with Lou," the actress captioned a Dec. 28 Instagram post documenting the fun she had with her granddaughter ...

"Snow days with Lou," the actress captioned a Dec. 28 Instagram post documenting the fun she had with her granddaughter Demi Moore ... is the daughter of Moore’s eldest child, Rumer Willis ...

In the first slide, Moore and Lou—who is the daughter of Moore’s eldest child, Rumer Willis, and her ex Derek Richard Thomas—can be seen sharing a laugh, as they sit on a mound of snow together.

Demi Moore is a hands-on grandma ... Lou is the daughter of Moore’s eldest child, Rumer Willis, 36, and ex Derek Richard Thomas. While appearing on an episode of Today back in September ...

Demi Moore isn't a regular grandma ... In the first slide, Moore and Lou—who is the daughter of Moore’s eldest child, Rumer Willis, and her ex Derek Richard Thomas—can be seen sharing ...

Demi Moore had a great time playing grandmother ... Lou is the daughter of Moore’s eldest child, Rumer Willis, and her ex Derek Richard Thomas. This comes after the Ghost actress shared that ...

Danielle Deadwyler, Cynthia Erivo, Demi Moore, Saoirse Ronan, Zoe Saldaña and Kate Winslet on standing their ground, the downside of box-office hits and crying during press tours.

Demi Moore has had an enviable Hollywood career ... Demi also talked about middle child syndrome as it specifically affects the daughters she shares with ex-husband Bruce Willis, 69 – Rumer ...

DEMI MOORE: Thank you. On the page ... MOORE: What was it like to also be working with a child and animals on top of it all? ADAMS: It’s a set of 3-year-old twins. I mean, I definitely had ...