Sony Ericsson has Maria Sharapova, Motorola has David Beckham… and LG has Heidi Klum. The German model, designer and artist has announced an exclusive partnership with LG’s US mobile phone division to promote the LG Rumor2 phone. Heidi has been appointed as LG's ‘Ambassador of Style’ and has helped to design back plates and skins for the phone, which has a slide-out QWERTY keyboard. [Press release via PR Newswire]