(FILE PHOTO) In this composite image a comparison has been made between Ashanti  (L) and Katy Perry  (R) for a Celebrity Same Dresses feature. 
(Left Image) NEW YORK - NOVEMBER 10:  Recording artist Ashanti attends the Princess Grace Awards Gala at Cipriani 42nd Street on November 10, 2010 in New York City.  (Photo by Charles Eshelman/FilmMagic)
(Right Image) NEW YORK, NY - DECEMBER 13:  Singer Katy Perry attends the 2nd Annual David Lynch Foundation's Change Begins Within Benefit Celebration at The Metropolitan Museum of Art on December 13, 2010 in New York City.  (Photo by Michael Loccisano/Getty Images)