"Thank you for the birthday wishes and for the greatest gift of all: the opportunity to serve as your First Lady. –mo," she simply wrote alongside a sweet photograph of herself posing with first dogs Bo and Sunny.
Thank you for the birthday wishes and for the greatest gift of all: the opportunity to serve as your First Lady. –mo pic.twitter.com/erjZA6WUXz
While the Obama family is enjoying their last days in the White House, they'll be traveling to a a much warmer place following Donald Trump's inauguration on Jan. 20: Palm Springs, California.
"The president vowed to take his family to a destination that is warmer than Washington, and Palm Springs fits the bill," White House press secretary John Earnest said during a news conference on Tuesday. "He and his family have enjoyed the time they spent there in the past, and they're looking forward to traveling there on Friday."
See more on the family's bittersweet week in the video below.