Pierce is voted the MUMBER one son

THE Mamma Mia star took May to a weekend on the Pacific island paradise of Kauai.

But the pair have had a turbulent history – Pierce’s dad left May when Pierce was a baby and she emigrated to England. They reunited in London when he was 11.Pierce said: “My mother was the prettiest woman in the town. He was a bit older. But they made me.”