One D: Trick to breaking the US is be yourself

One Direction have advised Little Mix to "be themselves" while Stateside

One Direction have advised Little Mix to "be themselves" while breaking the US.

The 'Little Things' hitmakers are close to the 'Wings' group having both sprung from 'The X Factor' and members Zayn Malik and Perrie Edwards being in a relationship, and the boys - also formed of Harry Styles, Liam Payne, Louis Tomlinson, Niall Horan - have passed on words of wisdom to the girls to help their success overseas.