U must be so excited for the debut of this One Direction song! Of all the things to sing about, One Direction has chosen U. What an unbelievable, unique, and .\r<br>\r<br>There are twenty-six letters in the alphabet, but the one nearest and dearest to One Directions heart is U. U must feel so special! Subscribe to the Sesame Street .\r<br>\r<br>Sesame Street: One Direction What Makes U Useful.\r<br>\r<br>\r<br>\r<br>Directioners, you need to know how to get to Sesame Street —thats where your boys are! Harry Styles, Niall Horan, Liam Payne, Louis Tomlinson and Zayn .
