mi fai sentire bella (you female) - mi fai sentire bello (you male)
"Stunning" in English means spettacolare in Italian.
Rimanere spettacolare! or Rimani spettacolare! in the singular and Rimanete spettacolari! in the plural are Italian equivalents of the English phrase "Stay stunning!" Context makes clear which form suits. The respective pronunciations in Italian will be "REE-ma-NEY-rey spet-TA-ko-LA-rey" or "ree-MA-nee spet-TA-ko-LA-rey" in the singular and "REE-ma-NEY-tey spet-TA-ko-LA-ree" in the plural.
"Stay out!" in English is Rimanere fuori! in Italian.
Piccola, sei splendida! is just one Italian equivalent of the English phrase "Babe, you are stunning!" The pronunciaton of the feminine singular phrase -- which translates literally as "Little one, you are splendid!" -- will be "PEEK-ko-la SEH-ee SPLEN-dee-da" in Italian.
you are stunning
Stunning as in attractive, would be translated as migoto (na); the na is necessary depending on what you are describing as attractive but you don't need it to simply say "stunning" 見事 (みごと)
Use google translation
Sotto is how you say under in Italian.
"Ristoranti" is what we say it in Italian!!
in italiano
Rimanere is an Italian equivalent of the English phrase "to stay".Specifically, the word is the verb in its form as a present infinitive. It means "to remain, to stay". The pronunciation will be "REE-mah-NEY-rey" in Italian.
There are many French words for 'stunning'. You might say 'C'est stupefiant' or impressionnante, sensantionnel or fantastique. If you were thinking of physically stunning, like a loud noise, you'd say 'C'est etourdissant'. (The e should have an acute accent).