We haven't seen this song performed like this since, well, Whitney Houston herself.
Slay, girl!
The 23-year-old singer said the role of Penny won't be expanded in the upcoming live telecast: 'I don't want any special icing.'
NBC announced the cast's new additions at Tuesday's TCA panel.
Ariana Grande might be the biggest Harry Potter fan out there.
Ariana is officially a single lady again!
Ariana Grande is single for the summer.
The reboot premieres Tuesday, July 26 at 8 p.m. ET/PT.
The two-day lineup also includes Sia, Sam Hunt, U2, Sting, Usher and Florida Georgia Line.
Lookin' good, Ariana!
Justin and his 'Trolls' co-star Anna Kendrick gush over their favorite fandom.
The 23-year-old pop star met up with her former boyfriend and Broadway co-star for dinner.
The longtime pals goofed off again for a cute 'Tonight Show' clip.
Find out who the 23-year-old singer will play!