EXCLUSIVE: Nick Gordon Wearing Bobbi Kristina Brown's Engagement Ring After Her Death

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Nick Gordon is leaning on his mother for support following the news that his girlfriend, Bobbi Kristina Brown, died Sunday at a hospice in Georgia.

On Monday, Nick was spotted in Florida with his mother, Michelle Gordon, taking a short walk around their gated community. The two held on to each other, Nick clad in basketball shorts and a T-shirt. The embattled 25-year-old was still wearing a ring on his left finger, symbolizing his relationship with the late Bobbi Kristina, and was also wearing the ring he gave to Bobbi Kristina on his neck. The two claimed to have tied the knot on Jan. 9, 2014, though family representatives later said the marriage was not official.

WATCH: Bobbi Kristina Brown Dead at 22

ET talked to Nick's younger brother, Junior Walker, on Monday, who said he was actually the one who broke the news about Bobbi Kristina's death to Nick. He said Nick found out about the news at the same time the public did.

"He didn't even know," Junior said. "I told him ET posted it ... and then his lawyer called on the phone while I was talking to him. He was on the phone with me and I told him that ET [was] posting saying Kris is gone."

Junior said that Nick is doing "bad" after learning of the tragic news, but contrary to reports, he is not on suicide watch. "We're all hurt right now trying to figure out how to cope through everything," Junior said. "This whole year has not been easy at all."

Michelle Gordon also commented on her son's state of mind with a statement on Monday, saying he's "suffered greatly."

"The passing of Bobbi Kristina is devastating to Nick and our family," she said. "Nick loved and cared for Krissi deeply, and he has suffered greatly each and every day they've been apart. Nick and our family are in mourning, and we ask that you respect our privacy. Our thoughts and prayers are with both the Houstons and the Browns during this difficult time."

In May, Nick asked to see Bobbi Kristina when she was hospitalized at an Atlanta rehabilitation center, claiming through his attorneys that he had stayed away from months because he respected both the Houston and Brown families' wishes that he refrain from visiting. But in February, Bobby Brown's lawyer said that Nick had already previously been offered an opportunity to potentially visit Bobbi Kristina, though he "declined to meet the terms of any possible visit."

Bobbi Kristina died Sunday, surrounded by close family and friends. She was 22 years old.

WATCH: Houston Family Reveals Details From Bobbi Kristina Brown's Final Moments, Funeral Plans

Meanwhile, Nick is currently facing a $10 million civil lawsuit filed by Bobbi Kristina's conservator, Bedelia Hargrove, claiming that he physically abused Bobbi Kristina, and stole thousands from her. However, no criminal charges have been filed against him. Last month, ET learned that Nick has assembled his own high-powered legal team to defend himself, which includes famed attorney Jose Baez, who's best known for defending Casey Anthony against first-degree murder charges in 2011.

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