Three days before the flight to Las Vegas , Shelley was added to the group .
Group were renamed Union J. Caroline Flack showed footage on The Xtra Factor which suggests that the inclusion of Shelley was Shelley 's idea .
Three days before the flight to Las Vegas , Shelley was added to the group and they were renamed Union J. Caroline Flack showed footage on The Xtra Factor which suggests that the inclusion of Shelley was her idea .