Frank is a bachelor. All the information related to his love affairs, girlfriend, married life and wife are not true.
When Frank was in his early teens, he joined Lincoln High School. He began pursuing his musical career from that time on. He used to play guitar and sand on street corners to make money. He joined American big band jazz and popular music as its lead singer. His debut single Case of You was released in 1980 and his debut album Frank Stallone was released in 1984. He has also been pursuing his acting career since the mid 1970s. In 1976, he played the role of a street corner singer in the movie Rocky. Two years later he appeared in the movie Paradise Alley as a singer. In 1987, he starred the role of Tony Mareda Jr. in the comedy movie The Pink Chiquitas and for this role he earned the salary of $40,000. His net worth is estimated to be around $2.5 million dollars.