Varda, Lady of the Stars, one of the Valar, wife of Manwë.
I went a little crazy with the headpiece, but come on, she is the
Queen of the Stars!
This is just one version of her, I have a bunch of them - I might have a slight obsession.
Yavanna - [link]
Nessa - [link]
Vairë - [link]
Silmarillion, J. R. R. Tolkien