In a picture posted on Twitter and Instagram, the daughter of the US president was shown in evening dress with her husband, Jared Kushner, with one of her sons wearing a Storm Trooper costume.
“The Force is strong in my family,” she wrote in the caption.
Hamill, famous for his role as Luke Skywalker in the Star Wars franchise, quote-tweeted the image and commented: “You misspelled ‘Fraud’” and added the hashtag #GoForceYourself.
The tweet has been shared more than 70,000 times and received more than 381,000 likes at the time of writing.
Hamill is a vocal critic of Trump and his administration, and has compared his leadership unfavourably with past presidents.
He next stars in the forthcoming film Star Wars: The Rise of Skywalker, which is scheduled for release on 19 December 2019.
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