No, we're not talking about the Inauguration -- though that'll be a biggie for Michelle Obama.

We're talking about her high school prom, which she attended with David Upchurch.

The National Enquirer has the scoop and the pics exclusively, telling how the 18 year-old Whitney M. Young High School student spent her big night. Without giving away too much, we can tell you that Upchurch is proud of his former beau.

"I grew up with Michelle and her brother Craig. We were neighbors and our families were close," said the 47-year-old customer service representative. "I always knew Michelle was special and would make a difference in the world."

Did she make a difference in his world? Check out the paper for the details.

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