Karen works in a coffee shop so has no shortage of paint supplies.
She can make thousands of pounds from a single picture but instead of selling her latest artwork decided to send it to William and Kate as a wedding present.
She usually recreates art classics like the Mona Lisa but said wanted to make an exception for William and Kate.
The Oregon resident said: 'Not only do I love the royal family but it is just such a beautiful portrait of the two of them.
