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LAS VEGAS, NV - JULY 04: Actress Rumer Willis (L) and television personality Khloe Kardashian celebrate Independence Day at Encore Beach Club at Wynn Las Vegas on July 4, 2015 in Las Vegas, Nevada. (Photo by David Becker/Getty Images for Wynn Las Vegas)

LAS VEGAS, NV - JULY 04:  Actress Rumer Willis (L) and television personality Khloe Kardashian celebrate Independence Day at Encore Beach Club at Wynn Las Vegas on July 4, 2015 in Las Vegas, Nevada.  (Photo by David Becker/Getty Images  for Wynn Las Vegas)