'Bachelor' Star Dead
SUICIDE BY HANGING
2:13 PM PT -- TMZ has learned Gia hanged herself. Her boyfriend, Ryan, found her hanging and unconscious in her home and immediately called 911.
1:17 PM PT -- TMZ has learned ... the cause of death was suicide. Gia's boyfriend Ryan Anderson found Gia in her house Monday night. We're told Gia was on life support, which was withdrawn today. She had suffered "critical loss of brain and organ function." Her mom, boyfriend and other friends were in the hospital when she died. 1:13 PM PT -- Although we do not know the cause of death yet, we were told by multiple people close to Gia that she had been extremely upset about a rocky relationship with her boyfriend Ryan Anderson.