The giant sapphire stone surrounded by diamonds which Bobbi placed on her ring finger sparked rumours of an engagement, which the couple denied claiming the ring was just a gift.
However footage taken from the 19-year-old's reality show, entitled The Houstons: On Our Own, has allegedly confirmed that she is in fact engaged to Gordon.
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| Engaged: Bobbi Kristina Brown is allegedly engaged to her brother-turned-boyfriend Nick Gordon |
The website claim that Brown announces the news as she laughs, saying: 'We're engaged!'
In another trailer for the Lifetime show, family members of the Houston clan are seen worrying over Bobbi's relationship with Nick.
During the clip Gary Houston, Whitney' brother, appears to disapprove of their bond, as he has a heated discussion with Gordon.
He says: 'No one knew that from a godson you would turn into a boyfriend. No one knew that.'
With the 22-year-old stating: 'The family has me out to be a bad person.'
And determined to make her family accept her blossoming romance, Bobbi firmly asserts: 'They want to see us fail. We won't.'
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| The ring: Nick gave Bobbi the giant sapphire stone ring in August but claimed it was a gift |
Bobbi and Nick lived together as siblings for more than a decade before Whitney's death in February, with Nick considered to be the superstar's unofficial adopted son.
She took him into her home when he was just 12 after his father went to prison and his mother was unable to take care of him.
However, following Whitney's passing - having died at the age of 48 due to an accidental drowning complicated by heart disease and cocaine use - the controversial pair grew closer.
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| Mummy's girl: Bobbi is the late Whitney Houston's only child who she shared with Bobby Brown |
'Pat Houston, Whitney's sister-in-law, manager and most trusted confidant, manages the business and estate of the beloved singer and her most prized possession, her daughter Bobbi Kristina,' said a Lifetimepress release.
'The series will follow Pat and her husband, Gary, Whitney Houston's brother, as they take on their greatest challenge, supporting and guiding Bobbi Kristina as she faces the world alone, without the one person she relied on the most, her Mother.'
