The 29-year-old Grammy winner and her husband Simon Konecki were photographed comforting people at the scene, reported The Telegraph.
"Adele was spotted at Grenfell Tower today offering her support to everyone affected by the tragedy," one Twitter user shared along with Adele's pictures.
Singer Lily Allen also offered support and supplies to the victims on social media, while celebrity chef Jamie Oliver provided free food and drinks to the affected at his restaurant in nearby Shepherd's Bush.
Firefighters worked through the night to dampen the massive blaze that engulfed a 24-storey residential tower block in west London.