We're sad to report that 'The Bachelor' and 'Bachelor Pad' alum Gia Allemand is dead, according to a report from TMZ .

It's unclear what the cause of death was for the model and reality star, but she was on life support and in critical condition in a hospital since Monday (Aug. 12).

"Gia Allemand was taken to University Hospital, New Orleans last night following a serious emergency medical event, the details of which are currently not known," her rep said when news of Allemand's hospitalization broke. "She is listed in critical condition."

"Ms. Allemand’s mother is with her, along with her long-term boyfriend, NBA basketball player Ryan Anderson of the New Orleans Pelicans. On behalf of the family, we kindly ask for privacy at this time."

Allemand was 29 years old. Our thoughts are with her loved ones during this difficult time.

UPDATE: Gia Allemand has committed suicide. More details here .