Ariana Grande and Honor Society Rock Out at the ‘Alvin and the Chipmunks: Chipwrecked’ DVD Release Party (Video)

The El Rey Theatre was invaded by chipmunks on Monday…Alvin & the Chipmunks to be exact.

Hollywood gathered to celebrate the release of Alvin & The Chipmunks: Chipwrecked on Blu-Ray & DVD, which is available now.

Jason Lee and Matthew Gray Gubler were on hand to talk about the DVD and being a part of the movie and guests were treated to performances by Ariana Grande & Honor Society.

Click inside for pics of Ariana, Honor Society, Chris Galya, Jennifer Veal, and Jake Short at the event and watch some highlights below.