Who's backless: Kim Kardashian vs Eva M

Kim Kardashian (GETTY/GALLO)

Kim Kardashian attends the 2012 BET Awards at The Shrine Auditorium in Los Angeles, California. (GETTY/GALLO)

Eva Marcille wore a very similar dress to Kim. (GETTY/GALLO)

Eva Marcille (GETTY/GALLO)

Kim Kardashian attends the 2012 BET Awards (GETTY/GALLO)

Kim Kardashian (GETTY/GALLO)

Kim Kardashian (GETTY/GALLO)

Eva Marcille (GETTY/GALLO)