Happy birthday for Michelle Obama, who turns 50
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Michelle Obama is celebrating her 50th birthday Friday.
The first lady is spending the day out of sight, with no public appearances after back-to-back White House events this week.
But she tweeted a picture of herself holding up her AARP card. She tweeted, quote, "Excited to join Barack" in the 50-plus club today . "check out my (at)AARP card!"
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President Barack Obama turned 50 in 2011.
A birthday bash is on tap for Saturday night at the White House. The president has been involved in the planning.
Officials are keeping a lid on party details, but guests have been told to come prepared to dance.
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Mrs. Obama said last month she wasn't certain how she would spend her birthday but that whatever she did might involve some dancing.