Jessie J hit the stage twice on Saturday Night Live. Sit back and watch her belt out a rendition of "Mama Knows Best" here.

Rating: 3.8 / 5.0 (12 Votes)

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    <div style="text-align:center;"><iframe id="viddler-66183713" src="//" width="741" height="429" frameborder="0" mozallowfullscreen="true" webkitallowfullscreen="true" scrolling="no" style="overflow:hidden !important;"></iframe><br /><a href="">Jessie J Saturday Night Live Performance</a></div>
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    IM UR #1 FAN!!!!!:D

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