Fig.: to be in a state of extreme happiness

The guy I'm secretly in love with, sent me a Valentine and I'm in seventh heaven. I didn't even think he knew I existed!

Sono al settimo cielo! Il ragazzo di cui sono segretamente innamorata mi ha mandato un regalo per S. Valentino, e io che credevo che non mi avesse nemmeno notata

When I was little, I wanted a puppy so badly that when my parents finally got me one for Christmas, I felt on top of the world!

Da bambino morivo dalla voglia di avere un cane e quando, finalmente, per Natale i miei mi hanno regalato il tanto sospirato cucciolo ero al settimo cielo per la felicità

The Ptolemaic system divided the celestial region into heavens, one for each planet: Moon, Mercury, Venus, Sun, Mars, Jupiter and Saturn. The eighth was the Firmament, the heaven of the constant stars, beyond which there were the PRIMUM MOBILE and the abode of the blessed and God. The seventh heaven is therefore the last possible zone for the human, beyond which lies the eternal and the divine