Bobby Kristina
Bobby Brown (pictured above at Will.I.Am's Annual TRANS4M Concert on February 07, 2013) is "lost" after his daughter, Bobbi Kristina Brown, was buried in Newark, New Jersey Monday. Getty Images/Allen Berezovsky

Bobby Brown is mourning the loss of Bobbi Kristina Brown, the daughter he shares with late pop legend Whitney Houston, after she was laid to rest in Newark, New Jersey, Monday. The R&B singer was so grief-stricken that he was talking to himself, Whitney's ex-bodyguard Mark Behar told Hollywood Life in an exclusive report Monday.

Though friends and family had gathered to say goodbye to Bobbi Kristina, some of their attention shifted toward Bobby, 46. “He seemed really out of it and was mumbling to himself and walking around like he was lost. Many of the guests were even concerned about him. It was a very somber mood today,” Behar told Hollywood Life. “Bobby is obviously and understandably struggling.”

Bobby wasn’t the only one at the ceremony who was emotional. “Almost everyone was crying their eyes out throughout the entire ceremony. Several fans had been camped out since yesterday, and were holding up signs and brought floral arrangements and gifts like stuffed animals,” Whitney’s former bodyguard said. “At least three or four of Bobbi Kristina’s family members were so distraught and emotional, they got light-headed and almost fainted -- having to be taken care of by others.”

Bobbi Kristina and family
Bobby Brown and Whitney Houston’s mother, Cissy Houston, reached the Murray Brothers Funeral Home on Friday to pay their respects to Bobbi Kristina Brown, who died Sunday. Pictured: Bobbi Kristina, Nick and her family are seen arriving at Tri-Star Pictures' 'Sparkle' premiere at Grauman's Chinese Theatre on Aug. 16, 2012, in Hollywood. Getty Images/Frazer Harrison

One of those people Behar mentioned could have been Alicia Etheredge, Bobby’s wife, who reportedly suffered a seizure Saturday. She was taken to an Atlanta-area hospital Saturday night, just hours after Bobbi Kristina’s funeral. Etheredge, 41, gave birth to a baby boy, Bodhi, in early July.

Bobbi Kristina died July 26 at Peachtree Christian Hospice in Duluth, Georgia, after months of hospitalization. She was 22. Months earlier, she was found facedown and unconscious in a bathtub in her Roswell, Georgia, home. Though initially labeled an accident, the case was upgraded to a homicide investigation after her death. Though Bobbi Kristina's boyfriend, Nick Gordon, is a person of interest, he has not been charged with a crime.

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