These Disney stars are wild!

On Wednesday, Vanessa Hudgens hit up "The Tonight Show with Jay Leno" where she did her best booty-pop.

While she was definitely put on the spot by Jay .... we've seen better. Hudgens also told the talk show host that she beat Madonna's back up dancers in a dance off (really?).

Check out the clip below, and judge for yourself!

The "Spring Breakers" actress isn't the only former Disney chick shedding her childlike image!

On Wednesday night, Miley Cyrus posted a YouTube video on her Facebook showcasing her own "twerk" skills.

Check out Cyrus' onesie-clad dance below.

So we have to ask ... which Disney star does a better booty shake? Vote below!

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