Ariana Grande's "Thank U, Next" Video Had So Many Celebrity Cameos — Did You Catch Them All?

Jonathan reprised his role as Aaron Samuels from Mean Girls.

As did Jennifer, who starred as Paulette Bonafonté from Legally Blonde.

The Keeping Up With the Kardashians matriarch played Amy Poehler's Mean Girls character, Mrs. George.

Troye teamed up with Ariana for his hit "Dance to This," so it's no surprise that he made a cameo in her video.

Stefanie, who also appeared in Mean Girls, joked about Ariana ending her engagement, saying, "Ariana broke off an engagement, so I found a guy to propose to me and I broke off an engagement."

The singer acted as one of Ariana's bridesmaids.

The YouTube star proudly showed off her baby bump for the Bring It On part of the video.

Ariana's former Victorious costar plays one of the Toros cheerleaders from Bring It On.

The YouTube star and Ariana lookalike made a brief cameo at the start of the video.

Ariana's former Victorious costar played Cliff from Bring It On.

Ariana's former Victorious costar played Lindsay Lohan's Mean Girls character, and her appearance immediately made us do a double take.

The ladies starred as the East Compton Clovers from Bring It On, along with Victoria Monet.