It was a sweet night for JoJo Siwa

While her big 16th birthday is still a month away, the Dance Moms alum and YouTube star got the celebrations started early with a birthday party at the W Hotel in Hollywood. 

Famous faces like reality star kids North Westand Penelope Disickwere in attendance, as was fellow YouTuber Colleen Ballinger and Dance Mom Abby Lee Miller

Judging by the guest list, friends of all ages got to have fun at Siwa's dream soirée, hosted by Nickelodeon. The event will be part of a Nickelodeon special, JoJo's Dream Birthday, set to air on May 18 at 8 p.m. 

There was also no shortage of spectacle as a marching band made its way through the party and guests munched on sweet treats, including cotton candy. 

It seems no detail was left behind for the sweet 16 birthday girl. 

While the wait is officially on to see exactly what Siwa had in store for the big night, check out the adorable red carpet arrivals in E!'s gallery below:

Ryan Romulus, North West, JoJo Siwa, Penelope Disick, JoJo Siwa Sweet 16 Birthday Celebration

Axelle/Bauer-Griffin/FilmMagic

Abby Lee Miller, JoJo Siwa Sweet 16 Birthday Celebration

Amy Sussman/Getty Images

Abby Lee Miller, JoJo Siwa, JoJo Siwa Sweet 16 Birthday Celebration

Amy Sussman/Getty Images

Colleen Ballinger, JoJo Siwa, JoJo Siwa Sweet 16 Birthday Celebration

Paul Archuleta/FilmMagic)

Jodie Sweetin, Beatrix Carlin Sweetin-Coyle, Zoie Laurel May Herpin, JoJo Siwa Sweet 16 Birthday Celebration

Paul Archuleta/FilmMagic

North West, JoJo Siwa, JoJo Siwa Sweet 16 Birthday Celebration

Amy Sussman/Getty Images

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