15-year-old Miley Cyrus gave everyone a cuteness overload when she lived her teenage dream performing on stage with Beyoncé, Mariah Carey and Rihanna in this legendary charity collab!

This has to be the most star-studded female vocal supergroup of all time! Get ready for this, as the “Just Stand Up!” charity single featured Beyoncé, Mariah Carey, Rihanna, Miley Cyrus, Fergie, Carrie Underwood, Nicole Scherzinger, Mary J. Blige, Keyshia Cole, Leona Lewis, Ashanti, Natasha Bedingfield, and Ciara! The monumental lineup hit the Fashion Rocks stage to perform the hit for Stand Up to Cancer, and what a treat it was to see so many legends up there together on one stage.

Beyoncé opened the song with a heavenly vocal and that effortless charisma of hers. The star power kept coming as Underwood sang a heartfelt vocal next, then Rihanna and baby Miley traded lines in an iconic moment. Cyrus was just 15 years old at the time, and seeing her living her dream up there with Rihanna on her left and Beyoncé on the right is too cute. In The Music Man’s book, this is one historic moment and we’re sure glad it’s immortalized on the ‘Tube!

Fan Rafael Ribeiro uploaded the live cut of “Just Stand Up!” to YouTube, where it drew two million views. Fans discussed their favorite moments in the gargantuan collab, adding comments such as “Leona’s voice gives you chills! Mariah is a powerhouse! Mary J sings with such passion!” and “Miley looks so adorable and innocent. She is just happy to be there.”

The early 2000s was a big time for pop and R&B charity mega collabs. In 2010, “We Are the World 25 for Haiti” dropped, and the 80-strong lineup on the Michael Jackson and Lionel Richie cover is too massive to even fit in the article. The lineup featured several returning stars from “Just Stand Up!”, namely Miley Cyrus, Nicole Scherzinger, and Mary J. Blige, as well as huge stars like Justin Bieber, Celine Dion, Pink, Janet Jackson, Barbra Streisand, Josh Groban, and many more.

The Artists Stand Up to Cancer supergroup released “Just Stand Up!” on September 2, 2008. American producer L.A. Reid cooked up the collab after meeting the Stand Up to Cancer founder, and the proceeds went to that organization. The single hit the top 10 in Canada and Italy, as well as the top 20 in the US and Ireland. The video single release of the charity single did some big numbers in the US, going double Platinum.

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