Besides being the role of female actress Juliette Lewis in the Oliver Stone film "Natural Born Killers" there is more than one artist with this name (see links in the Wiki sources):
These are videos from concerts where Mallory Knox played, so they may be of other bands that played the concert as well.
Vans Warped Tour 2015 Jul 10, 2015 Camden, New Jersey, United States Added by Ashleyfrench
Warped Tour '15 Jul 5, 2015 Orlando, Florida, United States Added by Lauren Kittelson
Make A Scene Festival Union 2013 Jul 7, 2013 Middlesbrough, England, United Kingdom Added by Daniel Dixon
Don Broco / Mallory Knox / Hey Vanity Feb 28, 2013 Newcastle upon Tyne, England, United Kingdom Added by Daniel Dixon
