Ok, so, turns out that those foto's are exclusive to olivia-w.com (according to them) and were provided door a much smaller (but still pretty big) foto company than companies like WireImage/Getty afbeeldingen etc. So I pretty much couldn't find them anywhere else.
The closest things I could find were these 2 behind-the-scenes foto's from the same photoshoot:
link &
link Sorry I couldn't be of meer help. Maybe someone else has some inside knowledge that will be meer helpful!