"I think Ed is fast becoming the most in-demand songwriter in the world. Writing for One Direction has pretty much made him in demand from everybody. I know Justin Bieber loves his songs and I have heard Beyonce and Rihanna want him to write for them as well... in 20 years we could be looking back at him as one of the all-time great songwriters." Taylor Swift tips British singer/songwriter Ed Sheeran for big things.