Max Lomas, the man who found Bobbi Kristina Brown unresponsive in her bathtub, is finally speaking out on the incident, revealing details on a heated argument she had with her boyfriend, Nick Gordon, prior to her death.

Lomas, who was also close friends with the young scion, told People that just hours before she fell into a coma, she and Nick got into a heated argument, with her accusing him of cheating.

"Things were shaky," he said. "They were just trying to stay out of each other's way," Lomas said before admitting to using drugs that night.

He continued, saying he was at a nightclub with Gordon and another friend that night when she called, accusing him of being at a strip club and cheating on her with the strippers.

"They were arguing the whole way home," Lomas said. "We get home and she is just sitting there on the ground all delusional... just in her own little world."

Lomas said the situation escalated when he and Gordon viewed security footage of the residence, finding cigarette butts from a brand Bobbi Kristina did not smoke and two empty bottles of wine inside the home.

He said they eventually seemed to make up and headed upstairs together, but hours later, he found Bobbi Kristina face down and floating in the tub of cold water.

"I saw her there, and I picked her up out of the water and laid her on the ground," he said. "I saw the color of her face and that she wasn't breathing. I called Nick and called 911."

Since her death, Bobbi Kristina's family has blamed Gordon for her death, but both he and his lawyers firmly deny the accusations, and even took a jab at Lomas, labeling him "a drug addict."

To get more details on the passing of Bobbi Kristina Brown, watch the video above.