Ryan Phillippe is letting fans in on "the best" Thanksgiving weekend he spent with his family – including his younger daughter, Kai, who made a rare appearance on his Instagram grid.

The "Cruel Intentions" actor on Monday posted a series of photos featuring the 12 year old, whom he shares with ex-girlfriend Alexis Knapp, and his nieces as they walked around what appears to be Delaware's Rehoboth Beach Boardwalk, enjoyed fake snow among Christmas trees and made pancakes over the course of the holiday weekend.

"Had the BEST Thanksgiving wknd w these lil beauties. Sawyer, Ever, Kai & Isla," Phillippe – who is from New Castle, Delaware – wrote in the caption. "Pizza was had, Elf was watched, Young Sheldon was binged(along w teen romance anime)."

He also added that the Philadelphia Eagles beat the Buffalo Bills in overtime on Sunday, but "I think that only mattered to me."

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Sister Lindsay Phillippe commemorated the family weekend on Instagram, posting a selfie of the group – which included her daughters – in a car. "Holiday vibing with this car full of tweens/teens," she captioned the photo.

Kai sometimes makes an appearance on her "Pitch Perfect" and "Project X" star mom's Instagram, too. The duo celebrated the Fourth of July earlier this year, with the proud mom gushing in the caption of a video from the day: "My shmoo shmoo is truly everything."

Ryan Phillippe also recently gushed about 20-year-old son Deacon, whom he shares with ex-wife Reese Witherspoon along with Ava, 24. "Happy birthday to my best friend," he wrote in an Oct. 23 post. "I am so lucky to be your old man and so grateful for all the incredible memories and adventures we have together. You are a true blessing."

More:Reese Witherspoon was 'flummoxed' by ex-husband Ryan Phillippe's money comment at 2002 Oscars

From 2017:Ryan Phillippe on ex-girlfriend's lawsuit: 'Every one of my accuser's allegations is false'

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