One Love Manchester was a benefit concert and British television special on 4 June 2017, organised by American singer-songwriter Ariana Grande in response to the bombing after Grande's concert at Manchester Arena two weeks earlier. It took place at Old Trafford Cricket Ground, and was attended by 55,000 people. Guest performers included Justin Bieber, the Black Eyed Peas, Coldplay, Miley Cyrus, Mac Miller, Marcus Mumford, Niall Horan, Little Mix, Katy Perry, Take That, Imogen Heap, Victoria Monét, Pharrell Williams, Robbie Williams, U2, and Liam Gallagher.