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Despite the tragedy facing him and his family, Bobby Brown still took to the stage to fulfill performance commitments in Atlanta on Saturday night.

But the 46-year-old singer - whose daughter, Bobby Kristina, 21, was moved to a hospice facility in Duluth, Georgia, on June 24 - was clearly feeling the toll of the hardship as he appeared at the Affordable Old School Concert Series, a Fourth of July celebration at Wolf Creek.

Although Brown did not acknowledge what is happening to the only child he had with ex-wife Whitney Houston, he repeatedly apologized to the audience for forgetting lyrics and dance moves as he stumbled through the set, TMZ reported.