Anna Martinelli
A good, but expensive option
Pygmess is a Belgian brand that claims to have shops in several parts of the world, although I had never seen one! It has existed since 1995, and is everywhere from Buenos Aires to Singapore. It isn't too cheap - a dress is around R$150/200; in fact, that makes it one of the most expensive options I saw in Ubud. But if you want to pick up something European, this is a good option!