The phrase "as pretty of" is not correct in standard written English.
It is not a commonly used construction and may confuse readers.
Example: "She is as pretty of a flower as any in the garden."
Alternatives: "as pretty as" or "as beautiful as".
I registered her as pretty, of course, very attractive, with a lovely smile, light-brown hair pulled back in a ponytail, and what the merest glance could affirm was a fine body, but somehow it was Dirk's interest in her, which was clearly of the most intense kind, that made me consider Diana as a potentially serious relationship for myself.
WebOS can turn out just as pretty of apps as iOS so HP should be able to ink at least a few major publishers right away.
Sermoneta, topped by an enormous fortified Caetani castle on a hill overlooking Ninfa and the plain, turns out to be as pretty as any of those famous hill towns of central Italy.
Also called Mount Taurus, it's as pretty as any of the peaks that Thomas Cole, a founder of the Hudson River School art movement, painted in the early half of the 19th century.
They might not be as pretty as some of the competition, but they get the job done, while sounding pretty solid.
This sculpture isn't as pretty as one of his paintings though.
As pretty as a lot of people probably thought it was, it just didn't work for radio.
I found out that, no matter how much effort had to go into achieving it, I liked being pretty and better yet, thought of as pretty.
The whole show is as pretty as a silver tray of petits fours.
It was as pretty as advertised -- a tumble of low, white buildings leading down to a quiet beach and the bluest blue Mediterranean.
You're coming across as pretty right-of-centre here.
