Doctors treating Whitney Houston and Bobby Brown's daughter, Bobbi Kristina, have brought the 21-year-old out of a medically-induced coma.

The aspiring actress was admitted to hospital in Georgia on January 31 after her partner Nick Gordon found her face down and unresponsive in a bathtub at the home they share in Roswell.

She was placed in a coma at the beginning of the month and has been fighting for her life ever since.

Now reports suggest she's no longer in a coma, but remains on life support.

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"There will be a sign of hope, and then nothing. Every day, we wonder if this will be the day that we get good news," a family source tells People.com.

"We're all hoping and praying that this will give us some answers.

"We're hoping for a significant change soon, but we know that it may not change anything."

Bobbi Kristina's father has scrapped a series of dates in Australia so he can remain by his daughter's bedside.

- WENN