Isabela Moner, Griffin Gluck & Thomas Barbusca Attack Rob Riggle With Silly String at 'Middle School Movie' Premiere!

Isabela Moner steps out for the premiere of Middle School: The Worst Years Of My Life held at TCL Chinese Theatre on Wednesday night (October 5) in Hollywood.

The 14-year-old actress joined her co-stars Griffin Gluck, Alexa Nisenson, Thomas Barbusca, Jacob Hopkins, Rob Riggle, and Lauren Graham at the event.

PHOTOS: Check out the latest pics of Isabela Moner

While taking a group pic on the carpet, the cast attacked Rob with silly string! Check out the pics in the gallery below!

Middle School: The Worst Years Of My Life hits theaters THIS Friday, October 7th!

50+ pics inside of Isabela Moner, Griffin Gluck and more…