Antin also told MTV that they are working on their next TV series.
She told MTV: "They were definitely the most diva out of anybody.
Shakira told MTV that the album was "very personal" and would deal with the issues of heartbreak.
"It's basically a dream, because of course this is not reality," Brandy told MTV during the shooting.
Clarkson told MTV that the song is about a relationship turned sour although it was going well at the very beginning.
He told MTV that he considers this album to be a masterpiece.
Working on something new felt like a fresh start, Rowling told MTV at the premiere.
She also told MTV that the song is about what it would be like if she actually let her guard down.
The 20-year-old music maker recently told MTV about the song's meaning.
Ross told MTV that he and the remaining members of Panic!