Whitney's daughter takes romance with 'adopted' brother to mum's premiere

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Whitney's daughter takes romance with 'adopted' brother to mum's premiere

(L-R) Debra Martin Chase, Tika Sumpter, Bobbi Kristina Brown, Jordin Sparks, Carmen Ejogo, Mara Brock Akil and Twinkie Byrd at the Los Angeles Premiere of Sparkle