With Justin Timberlake on deck as the featured performer for today's halftime show, rumors had been swirling about a possible surprise guest - maybe Janet Jackson, with whom he performed in that most memorable Super Bowl back in the day?

Jackson's heard all the talk and now she's out with a definitive answer.

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No, she will not be joining Justin today.

"To put to rest any speculation or rumors as to whether I will be performing at the Super Bowl.. I will not," she said in a social media post. "Thank you for your support and I look forward to seeing you all very soon."