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VIDEO: Katy Perry at NYC's Jingle Ball!

Katy Perry really knows how to make an entrance.

The singer appeared at Z100's Jingle Ball at New York City's Madison Square Garden Friday night, dressed as a toy soldier -- and she did it by popping out of a Christmas present!

Don't worry if you missed the show, we've got a sneak peek of Perry's performance -- plus a clip of B.o.B. -- above.

The full concert, presented by Fuse and MSG Entertainment, will also air tomorrow night on FUSE at 9pm!