CeeLo Green was in the audience last week when Prince performed his final concerts in Atlanta, and posted an image and cheerful message: "Of course we're at the Prince show! What do you think I am crazy?" Exactly one week later posted a message of heartbreak:

MORE: Photos from Prince's last concert in Atlanta .. Prince hospitalized after Atlanta shows .. His final "Controversy" .. Videos of Prince's last performance

CeeLo Green posted this image one week ago, from Prince's concert at the Fox Theatre.

Credit: Jennifer Brett

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Credit: Jennifer Brett

FULL COVERAGE: A timeline of Prince's life .. Atlanta radio responds  .. Your favorite Prince songs? .. How Atlanta's concert community mourned Prince

Atlanta celebs and stars with strong ties - like Samuel L. Jackson, a Morehouse man who spends a good bit of time here - are among the many mourning the loss of legendary artist Prince. Jackson's friend Kenny Leon, whose annual True Colors benefit he supports, lamented in a series of tweets:

Usher had just returned from a trip to Cuba when he heard the sad news:

Country star Travis Tritt and rapper Big Boi offered words of solace:

.. as did NBA great turned analyst and actor Shaquille O'Neal, who nows calls Atlanta home much of the time: