Friends' plea for Shafilea.
Emma Pearson and Melissa Powner went to Great Sankey High School in Warrington with the 17-year-old.
An inguest into her death ruled she had been unlawfully killed.
Cheshire Police said their murder inguiry would continue.
Emma said: "We just plead with anybody that knows anything, however little they think it may be, to come forward because somebody who was such an amazing person didn't deserve their life to be taken away from them."