Michele O'Callaghan
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Michele O'Callaghan (September 14, 1963 – December 16, 2011) was a noted American makeup artist. She was personal makeup artist to David Letterman on The Late Show for 23 years and made occasional appearances on his show.[1] O'Callaghan also did makeup for Bob Costas and Bryant Gumbel, as well as dozens of sports shows on every TV network.[2]