One Direction's Niall Horan and Zayn Malik Model Christian Audigier's Lord Baltimore Line

One Direction's Niall Horan and Zayn Malik have being unveiled as the new faces of Christian Audigier's new fashion label, Lord Baltimore.

The duo have bagged themselves an endorsement deal with Audigier, who is best known for his line, Ed Hardy. and will be modelling his new line of graphic t-shirts in a series of adverts.

"Designer Christian Audigier is launching a new brand Lord Baltimore to be promoted by One Direction, they get to wear the clothing both on and off stage," stated Style Bistro.

As part of the collaboration, the boy band, made up from Horan,19, Liam Payne,19, Harry Styles,19, Malik, 21, and Louis Tomlinson,22, have all agreed to to be the first to sport the new look on and off stage.

The line was officially launched back in May 2012 but thanks to new images of Horan and Malik sporting the designs, fashionistas and fans have started to take notice.

"The collection captures the essence of Audigier's affinity for graphic tees, however, Lord Baltimore explores bright, vibrant colors and new graphics that we didn't see in the initial Ed Hardy line," a source told Hollywood Life.

Audigier is best known for his line, Ed Hardy, which features roses and skulls with the slogan, "Love Kills Slowly".

Fans of the Ed Hardy line include Hollywood actor Dennis Quaid, rockstar Marilyn Manson and members of the Jersey Shore cast.