Justin Bieber apologises to his fan as he cancels an upcoming performance at a UK Festival. <br /> The singer tweeted about his change of plans saying <br /> "UK Beliebers I'm going to make this up to you soon". <br /> "To all my UK beliebers… Due to an unforeseen issue I will be unable to perform at the Fusion Festival on August 28th. I support the Prince's Trust wholeheartedly and I am deeply disappointed I won't be able to perform. I look forward to the opportunity to give my UK beliebers a great show in the near future and hope to honour my commitment to Trust at that time."<br /> Shortly after the announcement he tweeted "And now the UK press will start to tear me apart. Comes with the job. Love u guys regardless and I will make this up to you."<br /> Justin then added, "I do want to thank the prince's trust for their understanding and I don't take moving any show lightly. I will see u soon U