Her rep released the following statement:
"While in her residency in New Orleans on Monday night, Ms. Allemand was found by her boyfriend, NBA Basketball Player Ryan Anderson, following an apparent suicide attempt."
According to TMZ, the reality TV star attempted to hang herself in her home. Anderson found her and immediately called 911.
Allemand was then taken to the University Hospital in New Orleans and was in critical condition.
"Due to a critical loss of brain and organ function, life support was withdrawn today. Ms. Allemand passed away peacefully with her mother, boyfriend, and other life-long friends by her side," said her rep.
"Bachelor" alum and friends of Allemand showed their support on Twitter, following the news.
More information will follow as this story develops.