Jamie Lynn Spears was eating at a sandwich shop in Louisiana when all of a sudden a fight broke out. During the brawl, Jamie Lynn's friend got caught in the middle of the guys fighting. The younger Spears sister wasn't having any of that! She grabbed a knife and did what needed to be done. 

Even though she didn't actually cut anyone, she was able to break up the fight with great success. If the 'Zoey 101' star came after me with a blade, I'd stand down too. The best part of this video, is the sandwich shop clerk who continues to make sandwiches after the fight initially broke out. You can see Jamie Lynn clearly pick up the knife and threaten with it at the 0:57 mark.

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