Video: Sydney Sweeney takes brother Trent as her date for premiere | Daily Mail Online

Sydney Sweeney brought along her rarely-seen younger brother as her date to the European premiere of Echo Valley and following afterparty at London's BFI Southbank. Sydney, 27, oozed Hollywood glamour at the premiere in a halterneck baby blue gown, with a flowing tulle train, before undergoing a wardrobe change for the celebratory bash afterwards.