Whitney Houston's daughter, Bobbi Kristina marries her 'brother'

Late Whitney Houston's 20 year old daughter, Bobbi Kristina has married her adoptive brother and longtime friend, Nick Gordon. Bobbi took to twitter yesterday to announce their marriage and show off their wedding bands.

Her affair with Nick, 24, has overtime generated a lot of controversy with relatives and friends asking if her mother would have approved because Whitney cared and took Nick in as a child.