People have taken to Facebook to post messages on a page set up to pay tributes to Sarah Groves.
Underneath a photograph of her smiling, Charlene Carter said: "That beautiful smile I will never forget."
Donna Stacey said: "Waste of a beautiful life just goes to show the world we live in."
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Masked gunmen reportedly opened fire on the bus full of Coptic Christians as it travelled towards a remote monastery outside of Cairo.
The parents of the girl - dubbed Miracle Matilda by doctors - have thanked the medical team for refusing to giver up on her.
Barack Obama has delighted the crowds at St Andrew's golf course as he teed off his visit to Scotland with a game of golf.