**ALL ROUND PICTURES FROM SOLARPIX.COM**.**WORLDWIDE SYNDICATION RIGHTS**.Girls Aloud launch their multi million pound sponsorship deal with Hair Care Brand, Sunsilk in Soho, London on 12.04.07..This pic: (L to R) Sarah Harding and Nadine Coyle.JOB REF: 3689 RSR DATE: 12.04.07.**MUST CREDIT SOLARPIX.COM OR DOUBLE FEE WILL BE CHARGED* *UNDER NO CIRCUMSTANCES IS THIS IMAGE TO BE REPRODUCED FOR ANY ONLINE EDITION WITHOUT PRIOR PERMISSION*