Bobbi Kristina, Nick Gordon Help Heart Attack Victim + Attend Whitney Houston Tribute

Bobbi Kristina and her boyfriend Nick Gordon, stepped out to attend the late Whitney Houston's tribute. 

And in other news, Radar Online reports that BK and Nick played good samaritan over the weekend–helping a heart attack victim in Atlanta. The two were standing at an ATM in a mall parking lot, when they they were flagged down by a distraught driver whose family member appeared to be having a heart attack.

According to reports, Nick and BK raced to the car, and Nick pulled the gravely ill man out of the vehicle, placing him on the ground. Bobbi Kristina elevated his legs in a move to help blood flow to his brain. They stayed with the man and his family until paramedics arrived. No word on the condition of the heart attack victim.