I think it's very cute and pretty. In the US, it's quite dated; there was a Bonnie in school with me, I was born in 1980, and the name was already out of style by then. But it's still cute.
Bonnie Kathleen
Bonnie Rebecca
Bonnie Ellen
Bonnie Jill
Bonnie Patricia
You're entitled to your own opinions. You're not entitled to your own facts. -- Daniel Patrick Moynihan