The daughter of Reese Witherspoon and Ryan Phiillippe's daughter, Ava, has officially joined the world of Instagram; and she wasted no time making fun of her famous dad.

The 15-year-old, who kept her handle simple with @avaphillippe, shared her very first post of a black labrador on Dec. 6. But it was her third post that got lots of attention. She shared a picture of a snow globe with very little snow and Christmas tree inside. She added the caption, "merry minimalist Christmas" and tagged her dad, implying that he was a Scrooge for the holiday season.

He was the first to comment and joked, "very excessive".

Her mom, Witherspoon, also commented, "Very minimal".

 merry minimalist Christmas @ryanphillippe

A photo posted by Ava Phillippe (@avaphillippe) on Dec 12, 2014 at 4:53pm PST

Fans also took to the picture to comment on the family's fun interaction.

One wrote, "Haha reminds me of my dad. Merry minimalist indeed," while another added, "Dang...lil jab at [your dad] all good family fun!"

One fan even joined in the fun and wrote, "There could be less water," while a fourth fan brought on a serious point and added, "a fathers presence is more important than the value of or size of a present... merry christmas".

So far Ava has nearly 5,000 followers.

Witherspoon recently revealed how important the holidays are to their family.

"[Ava] is great and we're reallye cited about the holidays,"s he told Access Hollywood last month. "It's a great time to sorta be with friends and family and just excited to have some time off."

Witherspoon and Phillippe split back in 2007. But they have been cordial since. They also have a son, 11-year-old Deacon, together.

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Celebrity Kids