According to international business Times - Chaka has been a close friend of Bobbi Kristina Brown's family for decades - She's really hurt over Bobbi Kristina's condition - 62-year-old Chaka Kahn has known Bobbi Kristina from day one - and she's taking this really hard and very very sad and hurt over Bobbi's condition. Bobbi Kristina have shown no improvement following the move in mid February to rehab. Source International Business Times