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Whitney Houston Daughter Bobbi Kristina Engaged to Adopted Brother?

Bobbi Kristina, the 19 year old daughter of Whitney Houston and Bobby Brown, is secretly engaged with her “step-brother” Nick Gordon according to Star Magazine, but the couple is keeping the news a secret for now.

Nick was never formally adopted by Whitney but she raised him like family after his father was sent to prison many years ago.

A source told Star Magazine that  “Nick proposed to Kristina on March 10, and she said YES! Kristina said Nick is the only person she trusts in the world. They have a very deep connection.”

While Houston never legally filed adoption papers, Gordon lived in Houston's $1.2 million Atlanta townhouse where he is currently living with Bobbi Kristina, and the pair reportedly refer to each other as "brother and sister."

"Everyone is worried that Nick is looking to take advantage of Krissy," the source said, with reference to Bobbi Kristina's multimillion dollar inheritance.

Bobbi Kristina’s grandmother, Cissy Houston, weighed in after seeing pictures of the newly engaged couple kissing and holding hands in public. She said, “What they are doing is incestuous.” She says that Bobbi is impressionable and an easy target. She plans on taking legal steps to get him evicted from Whitney’s home.