Bobby Brown says his daughter Bobbi Kristina is doing "good."

Bobby Brown

Bobby Brown

The 45-year-old musician has been at the 21-year-old aspiring actress' bedside since she was rushed to hospital six days ago and placed in a medically-induced coma, and now he's just hoping and "praying" she pulls through.

When asked how Bobbi is doing, Bobby told 'Access Hollywood' outside Emory University Hospital in Atlanta, Georgia: "She's good. We're praying."

Bobbi - the daughter of the late Whitney Houston - was placed on life support last Saturday (31.01.15) at North Fulton Hospital in Roswell after she was found by her 'husband' Nick Gordon face down, unconscious, in a bathtub at their home in Atlanta.

She was later moved to Emory University Hospital, known for its world class neurological department, as her condition worsened.

It is believed Bobby will be faced with the heart breaking decision to switch off his daughter's life support over the weekend after doctors reportedly told him there was nothing more they could do.

A source said yesterday (05.02.15): "Everyone is coming to the hospital to say goodbye [to Bobbi]. Bobby has been crying nonstop since yesterday. We are grieving."

Meanwhile, police have launched an investigation into the circumstances in which Bobbi was found after they allegedly discovered drugs during a second search of her home.

A source previously revealed that Nick, who tried to revive Bobbi before paramedics arrived at the scene, moved out of their home on January 23 following an explosive argument, and police are investigating whether another person might have been in her house before he discovered her in the bath.