Watch Holychild Perform for FIAT 500Xclusive Concert SeriesWatch Holychild Perform for FIAT 500Xclusive Concert SeriesHolychild’s Liz Nistico and Louie Diller convened over a frenetic dance party at D.C.'s Rock & Roll Hotel, playing some of 'Brat Pop''s standout cuts.Beth KellmurrayBeth Kellmurray