Maleah's mother shared video of her daughter with ABC13 Eyewitness News.
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The video shows nurses wheeling Maleah to her hospital room after undergoing surgery in March.
MALEAH DAVIS: What we know about missing Houston 4-year-old
She cracks a smile while holding a rainbow balloon, and the room erupts in cheers.
Maleah vanished in early May. Her mother's former fiancé, Derion Vence, has been charged with evidence tampering in the case.
A total of $20,000 in rewards have been offered for information leading police to her location or a conviction in the case.
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