Colli's father was a singer, drummer and bassist from Milan. Because of his work he traveled with family around Italy and abroad. Thus Colli was born in
Genoa, finished her sixth grade in
Turin, seventh grade in
Venice, and then lived in Switzerland, Austria and Germany. After she turned 17 her family resettled in Milan. Colli had a hiatus as an actress between 1967 and late 1970s, and focused on her singing career. She returned to film acting in 1979–1989, and after that turned to television and politics. In 1994 she became
Member of the European Parliament, where she worked at the office of social affairs. From 1997 to 1999 Colli was councilor for social services in Milan, and in June 1999 was elected as president of the Province of Milan. Gaber, who did not vote since 1976, came to vote for her in 1999. She lost re-elections in 2004, and moved to other posts in the city of Milan. ==Selected filmography==