Alli Simpson Shares 'Roll 'Em Up' Behind-The-Scenes Vid With JJJ - Watch Now! (Exclusive)

Alli Simpson gets some direction while filming her music video for “Roll ‘Em Up” in this exclusive behind-the-scenes look, provided to JustJaredJr.com.

“Jack & Jack are two are the greatest guys I’ve met in LA, and I’m so stoked that they’re here on the song because they absolutely kill it,” the 17-year-old entertainer dished in the vid about her collaborators and friends, who also star in the MUDD Style campaign with her.

Alli also just launched a brand new APP, ThinkAlike!

She dished to JJJ, “For me, ThinkAlike is everything I love about social media but with more useful feedback. I feel more engagement with my friends and followers; and best of all there is no hate or bullying or spam or graffiti on my page. I love it and hope my fans do too.”

Check out the full behind-the-scenes vid below!