During a live concert performance of “Bang Bang” by Jessie J at the 99.7 NOW!’s 2014 Triple Ho Show held last night (December 3) at the SAP Center in San Jose, California, fans who came out the show were in for a big surprise. Demi Lovato hopped on stage to koin Jessie J with her song by singing Ariana Grande’s verse! Demi tweeted the following about the performance:
“… That just happened….. Thank you SO much @JessieJ for having me on stage for Bang Bang… It was an honor!”
Be sure to check out their performance by watching it in the video below!