The former first couple, who married in 1992, took to their respective Instagram accounts to celebrate the milestone.
The Week US on MSN
What is former President Barack Obama’s net worth?
What is Barack Obama's net worth?
10hOpinion
Sharon Stone exclaims if men got pregnant you could get 'an abortion from a vending machine'
Actress Sharon Stone revealed her secret abortion at 18 on Michelle Obama's "IMO" podcast, sparking a fiery exchange about ...
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