'One Direction: This Is Us' Afterparty in London

(EXCLUSIVE COVERAGE) Niall Horan from One Direction (third left), his parents Maura Gallagher and Chris Gallagher (R) and guests attend the "One Direction This Is Us" world premiere after party on August 20, 2013 in London, England.
(Aug. 19, 2013 - Source: Ian Gavan/Getty Images Europe) more pics from this album »