Robin Williams' Daughter Tweets Heartbreaking Message

'I'll try to keep looking up.'

Zelda Williams, the daughter of Robin Williams, has spoken out in the wake of her father's death.

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The 25-year-old actress tweeted a quote from Antoine de Saint-Exupéry's "The Little Prince" and shared a brief personal message.

In recent years, Zelda has followed in her father's footsteps, acting more and more in films and television.

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The two appeared together in an ad for "Zelda: Ocarina of Time 3-D," which plays off of Williams' inspiration for his daughter's name.