was there a surprise cameo appearance on HSM3?

[WendyLovesPeter]

like Miley on HSM 2
I took my girls tonight & I didn't see any cameos. Please tell if I missed it.

 

[ArielJonasFan]

yea i saw HSM3 on opening day and i didnt remeber seeing a cameo apperance

 

[Whitleigh]

There was not one I don't think.. but at the end there was the guy that won the tv competition. He was not even really in it, he had a video at the end.. in the credits.