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Inauguration day has arrived and Watch Mom's Guide to Sex 12 Onlinecelebrities are using the final hours of Barack Obama's presidency to thank him for all he's done.

On Friday morning, Instagram was flooded with throwback photographs and heartfelt memories of the Obama family from admirers and friends like Connie Britton, Sophia Bush, Zach Braff and more.

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SEE ALSO: Michelle Obama's final White House Instagram posts are crushing us

As Americans reflect on the immense joy and hope that the country's first black president brought to the world, it's comforting to see some of our favorite pop-culture standouts doing the same.