What is 'Thanks again for everything' when translated from English to Italian?

Grazie! Sei bella! in the singular and Grazie! Siete belle! in the plural are Italian equivalents of the English phrase "Thanks! You're beautiful!" The respective pronunciations will be "GRA-tsyey sey BEL-la" in the singular and "GRA-tsyey SYEH-tey BEL-ley" in the plural in Italian.