Ivanka Trump's son Joseph caught making faces in the White House

President Trump's grandson was caught making faces in the Oval Office on Friday.

Joseph Kusher, the 3-year-old son of Ivanka Trump and husband Jared Kushner, was captured on camera while appearing to blow raspberries in the White House.

His mother later took to Instagram to post a photo of Joseph and his 5-year-old sister Arabella Kushner watching Marine One land on the South Lawn.

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Watching Marine One land on the South Lawn

A post shared by Ivanka Trump (@ivankatrump) on Feb 17, 2017 at 7:10am PST

Joseph is President Trump's third-eldest grandchild and Ivanka's eldest son.

The tot was later photographed again with his sister walking with their grandfather before he flew off to South Carolina and Florida.

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The previous day, Joseph had been out with his mother on a trip to the Smithsonian National Museum of Natural History. Ivanka shared a photo of her and Joseph while visiting the butterfly exhibition with her 3.1 million Instagram followers.

Ivanka also shares home videos of her family, posting a clip of her baby boy Theodore's first crawl in the White House.

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Ivanka, who made headlines after over 30 retailers dropped her fashion line this month, told People that Joseph and Arabella have adjusted well to baby Theodore.

"My daughter is very independent, plus she's incredibly confident of her place within the home," Ivanka said. "So for her I was not too worried about the transition."

"I was a little more worried about [Joseph], he's very much a a mama's boy ... [but] he's loved it," Ivanka said. "He loves giving Theodore his bottle, he loves snuggling with us for books, he's always trying to kiss him."