Reese Witherspoon Asks Her Son Deacon to Teach Her How to Make a TikTok - Watch!

Reese Witherspoon is getting into TikTok!

The 43-year-old Big Little Lies star enlisted her 15-year-old son Deacon to help her learn how to use the video sharing platform in a funny Instagram post on Sunday (September 29).

PHOTOS: Check out the latest pics of Reese Witherspoon

“@deaconphillippe tries to teach me how to Tik Tok 😂 I think I nailed it…” she captioned the funny video, where she tried out some moves and some popular TikTok video trends.

Many celebrity friends chimed in, including Victoria Beckham: “This is everything!!😂😂😂😂 kisses. VB” she wrote.

Watch Reese‘s video inside…