"The weight just keeps falling off me": Katherine Jenkins drops to a size 6 with dance diet ...

Welsh mezzo-soprano Katherine Jenkins stunned drinkers at a Cardiff ... Katherine spoke to fans and signed autographs, posing ...

Welsh mezzo-soprano Katherine ... and Jenkins bought the entire bar a round of her award-winning Cygnet Gin & Tonic. Katherine spoke to fans and signed autographs, posing for dozens of pictures ...