Shay Mitchell Celebrates 15 Million Instagram Followers with The Coolest Balloon Display Ever!

15 million Instagram followers is a huge fete — and Shay Mitchell is celebrating big time!

The Pretty Little Liars actress bought not just the “1″ and “5″ balloons, but also six “0″s for the coolest celebration post ever.

PHOTOS: Check out the latest pics of Shay Mitchell

“15 seemed like a big number so we got a few more balloons than usual,” she shared in her post. “Now imagine how we got them in and out of the car…”

Shay has celebrated like this before, at 14, 13, 12, 11 and 10 million.