What we know so far:

The frame was produced by a company called Kenro
The photo was taken at the very latest in 2007
The photographer credited with taking it is called Sydney Shaffer
Getty Images sell the picture
https://www.gettyimages.co.uk/detail/...
She is probably not called Sarah
Any info email [email protected] (subject: Finding Sarah)

Massive shoutout to Ben Ward for all the help