Khloe Kardashian has shared an adorable video of her daughter giggling, calling it “the ultimate sound”.

The black and white clip posted on Instagram shows nine-month-old True crawling towards the reality star’s phone.

Kardashian playfully pulls her back to stop her, saying “No, that’s my phone!”, and True laughs, before making a beeline for it again.

“The ultimate sound,” Kardashian captioned the sweet video.

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The ultimate sound

A post shared by Khloé (@khloekardashian) on Jan 20, 2019 at 6:20am PST

Kardashian welcomed True, her first child with boyfriend Tristan Thompson, in April last year.