The hit song "Blurred Lines" has cost its writers four-point-eight million pounds.
A US court has found Pharrell Williams and Robin Thicke lifted parts of Marvin Gaye's 1977 hit "Got to Give It Up."
They've been ordered to pay the late R and B legend's children the money, but there could be years of appeals.
The singer's daughter, Nona Gaye, wept as the verdict was being read.
