Bobbi Kristina Brown Engaged: Whitney Houston's Daughter To Marry Adopted Brother [VIDEO]

Whitney Houston's daughter is ready to get hitched.

Bobbi Kristina Brown, the 19-year-old daughter of the late singing legend and her ex-husband Bobby Brown, has been rumored to be engaged for a while, but Brown confirms that she is betrothed in a trailer for her new Lifetime reality show called "The Houstons: On Our Own."

The series documents Houston's family as they try to move on from the passing of the family matriarch, and it is set to premiere on Wednesday, Oct. 24.

CLICK HERE to see the latest teaser for "The Houstons."

Bobbi Kristina's relationship is a bit complicated, as she is engaged to the man who she once called a brother. Her fiance, 22-year-old Nick Gordon, was never officially adopted by Whitney Houston, but she took him into her home when he was only 12 years old, after his father went to prison and his mother could not care for him.

Brown and Gordon were raised like siblings during their younger years, but once Houston passed away this February, the pair grew closer and became a couple, causing controversy within their family.

The trailer for "The Houstons" shows the family's negative reaction to the engagement. In one scene, Whitney Houston's brother Gary Houston has a heated talk with Gordon about his relationship with Bobbi Kristina.

"No one knew that from a godson you would turn into a boyfriend. No one knew that," he tells Gordon.

But the clip ends with strong words from a defiant Bobbi Kristina, who is seen hugging Gordon as she explains that she refuses to let any of her family members' opinions get in the way of her relationship.

"They want to see us fail," Bobbi Kristina says in the teaser. "I got one thing to say: you won't."