"Katherine is very excited," a source told the Mail. "She loves how artistic and intelligent Andrew is. He is considering moving to the UK for her."
This is not the first time Katherine has been engaged, in 2011 she announced that she was to wed former Blue Peter presenter Gethin Jones. Following their split Katherine headed stateside and has resided in New York since.
Despite her time in the US, the Welsh songstress was recently unveiled as the latest famous supporter of VisitBritain and it's projects such as the Countryside is GREAT campaign.
Along with stars including Oscar-winning director Steve McQueen, Lewis Hamilton, Sir Richard Branson and Dame Vivienne,Katherine will lead a drive to attract international visitors to Britain.