Janet Mayer / Splash News
WHAT SHE WORE Agron stepped out of the Late Show with David Letterman studio in a velvet Stella McCartney peplum dress and sky-high YSL heels.
Dianna Agron
Dianna Agron in Stella McCartney
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Janet Mayer / Splash News
Dianna Agron in Stella McCartney
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