Whitney Houston's Daughter Found Unconscious in Bathtub, Rushed To Hospital

Whitney Houston and Bobby Brown's daughter was found unconscious in a bathtub in her home today and and taken to a hospital.

• TMZ reports
• Bobbi Kristina Brown's husband Nick Gordon and a friend found her in the tub ... according to police in Roswell, GA. We're told her husband and friend immediately started CPR on her ... until police and paramedics arrived.
• We're told police took over life-saving measures on the scene -- and then she was taken by ambulance to a hospital.

Doctors have now stabilized her breathing, and we're told she is in ICU.

Still unclear why Bobbi fell unconscious. We're told a friend made the call to 911 from Bobbi's house.

The circumstances are especially eerie -- Whitney died in a bathtub at the Beverly Hilton on February