Willow has opened up about the impact of the success of her debut single ‘Whip My Hair’, which peaked at Number Five in the US charts when it was released in 2010.The musician, who spoke to NME for the latest Big Read cover interview, said that the gruelling press cycle and attention that arrived right at the start of the career made her question her path in music.In 2011 she supported Justin Bieber on the UK leg of his ‘My World’ tour but wanted to drop out of the upcoming Australian dates,