Magdalena Frackowiak sounds cute but it is a bit unfortunate, sounds like Freako-wack.
I LOVE Sasha Pivovarova. I always just call her SashaPiv though. So catchy.
I also love Diana Moldovan, it sounds so smooth and velvety.
Other favourites are Anja Rubik, Behati Prinsloo (sounds like such a happy name), Doutzen (reminds me of shampoo for some reason). And I adored Iekeliene's name when I thought it was pronounced Eek-ell-yen (which it looks like) until I just heard it was pronounced Ee-ke-lee-nee which doesn's sound so cute.