I like Olivia best, but I like them all. I dont like Rose as a middle name becoz its so common. Its like the new Maree or Anne. Nickames: Ollie, Liv, Livie, V, Livia - thats the ones Ive heard. I like:

Olivia Grace (ok kinda common middle name but not as common as Rose is now I think)
Olivia Cate (very classy)
Olivia June (sounds like a gorgeous little girl)
Olivia Jemima (if u want somthing longer)
Olivia Claire (very english sounding)
Olivia Louise (how cute)
Olivia Skye (somthing different)
Olivia Raine ("" "")