Ay! que bonita = Hey, how beautiful you are !
('Hay' = 'there is/are')
Maybe you mean "Que bonita" which means "How beautiful!"
"que hay" might mean: that there areif it's a question it might mean: what is there?if you accidentally mixed up the order and you meant "hay que," that means: it is necessary.
what a beautiful lady
que bonito paisaje means what a beautiful landscape
means 'what a handsome couple'.
"What is happening with you, beautiful?"
"Y que nunca se te olvide que eres muy bonita" is Spanish for "And don't you ever forget that you are very beautiful."
Más bonita que ninguna was created in 1965.
"As you know that I am beautiful."
beautiful like you know
How beautiful my brother is
Did you mean 'Ay! que hermosas!', if so: 'Oh! what beautiful girls/women!' Or, because Spanish words are all masculine or feminine, and 'hermosas' is feminine plural, it could mean some objects, for which the nouns are feminine in Spanish, are beautiful, e.g. 'Ay! que hermosas (manzanas)!' = 'Oh! what beautiful (apples)!'