New Moon  has already hit theaters and broken all sorts of box office records , but that isn't slowing down Ashley Greene 's promotional schedule. She stayed in NYC for an appearance with David Letterman  on The Late Show  last night, watch it here . despite the fact that her castmates Robert Pattinson  and Kristen Stewart  had already left town — ICYMI, check out the photos  of Rob and Kristen arriving at LAX together! Ashley has been all over the place lately, sharing about her new diet regime  while also apparently getting cozy with a King of Leon .
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