Bobbi died on July 26, almost six months after she was found unresponsive in her bathtub and while her father said the whole family prayed for a miracle, he now thinks that her mother - who passed away in similar circumstances in 2012 - wanted Bobbi with her.
Speaking on the premiere episode of new talk show 'The Real', he said: ''I'm pretty sure her mother had a part with like, 'Come on, let's get her up here.' She was not comfortable by herself, I guess. She just called my daughter with her.
''We prayed and hoped for six months ... for something better to happen. But when God calls you, he calls you.''
Bobbi's death is still being investigated and results of her autopsy have not yet been released.
A lawsuit filed by 24-year-old Bobbi's co-conservator Bedelia Hargrove, is seeking $10 million in damages from her boyfriend Nick Gordon and alleges he physically abused Bobbi, knocking her teeth out and dragging her upstairs by her hair, as well as trying to ''control'' her and ''benefit from her wealth''.
He denies all charges.
Bobby's wife Alicia Etheredge - the mother of his five-year-old son Cassius - gave birth to the couple's second child, daughter Bodhi Jameson Rein, just before Bobbi Kristina died in July.
Meanwhile, a hologram of Whitney will go on tour next year.
Whitney's sister-in-law Pat Houston said in a statement: ''It's a great opportunity for her fans to see a reinvention of one of the most celebrated female artists in history and to continue a legacy of performances that will not be forgotten in years to come.''
Alki David's Hologram USA announced that the hologram will perform at ''a major U.S. venue'' in 2016.
'Smalls Change (Meditations Upon Ageing)' arrives in April.
The two awards have made for a great 72nd birthday present for the country music icon.
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Whitney Houston, the woman behind the 1992 number one hit cover of 'I Will Always...