Translation: You are so pretty, sister.
However, it makes little sense for someone to address their sister with "vous", so the "sister" is likely a nun or other religious person.
You are a star my sister
"Vous estes belles" doesn't mean anything. I would imagine the person is trying to say "vous etes belle", which would mean "you are beautiful".
You are beautifulyou're beautiful (to a woman)
Vous etes belle. (formal) Tu es belle. (informal)
Et vous êtes une belle fille - and you are a beautiful girl.
for a man: vous etes beaus (pronounced: vooz et bo) for a woman: vous etes belles (pronounced: " " bell)
Mouse You are the best.
Vous etes une tres belle femme
My friend, you are a beautiful girl.
Vous etes très belle et ravissante
you are very beautiful and I'm lucky to have you
Translation (m): Tu es beau. -or- Vous êtes beau(x).Translation (f): Tu es belle. -or- Vous êtes belle(s).vous etes belle