Reese Witherspoon's Response To 'Thank U, Next' Will Make You So Excited

If you've seen Ariana Grande's music video for 'Thank U, Next' - you know it's just a big ole play on a bunch of rom coms from the early 2000's. Which is AWESOME. But, what was even better than that, was the reactions from the actresses from those movies, but ESPECIALLY Reese Witherspoon. Check this out: