*Whitney Houston’s 19-year-old daughter Bobbi Kristina has confirmed that she is engaged to her boyfriend and pseudo-adopted brother Nick Gordon in a trailer for her family’s new Lifetime reality series “The Houstons: On Our Own.”

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In the video (posted HERE at E Online), it’s apparent that not everyone in the family is pleased with the couple’s relationship – then Bobbi Kristina nervously blurts out that they’re engaged. BK’s Aunt Pat and Uncle Gary don’t look happy about it at all.

Gordon was unofficially adopted by Whitney Houston a decade ago when his mother could no longer take care of him. He came to live with her and Bobbi Kristina, who was eight years old at the time.

“The Houstons: On Our Own” premieres Wednesday, Oct. 24 on Lifetime.

Watch the trailer below.