I bet your principal never busted out some Iggy Azalea.

Julianna Margulies stopped by the Tonight Show starring Jimmy Fallon to promote the season premiere of "The Good Wife" and usual Jimmy got his guest to participate in a sketch.

The two play high school principals who spice up the morning announcements by singing them to the tunes of Taylor Swift, Iggy Azalea, Magic, Sam Smith and as Fallon calls her, "Bey-Once"

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