Biography - 1987 Mia Farrow A Life of Drama is rated/received certificates of: Argentina:Atp
Mia Sarah - 2006 is rated/received certificates of: Argentina:13
Mia apli istoria - 1984 is rated/received certificates of: Greece:K-17
In camera mia - 1992 is rated/received certificates of: Germany:16 (DVD rating)
La mia generazione - 1996 is rated/received certificates of: Argentina:13
La mia signora - 1964 is rated/received certificates of: Argentina:16
Tarzan Mama Mia - 1989 is rated/received certificates of: Denmark:A Finland:S Iceland:L
Mia sorella è molto bella in Italian means "My sister is very beautiful" in English.
Mia und der Minotaurus - 2012 is rated/received certificates of: Sweden:7
Mia melissa ton Avgousto - 2007 is rated/received certificates of: Australia:M Greece:K
It may depend on the context to get the best translation. A basic translation would be Quest'è mia sorella. But if you're introducing her to someone, you might want to say "Ti presento mia sorella"
Mia sorella! Buon compleanno! Buona giornata! in Italian means "My sister! Happy Birthday! Have a good day!" in English.