The royal-to-be, who is known for her relaxed and natural approach when it comes to hair and makeup, seemed to have amped-up her look with lashings of mascara and some smudgy black eyeliner, finishing the look with a slick of nude lipstick.
The TV movie stars Murray Fraser as Harry and Parisa Fitz-Henley as Markle.
Since her engagement to Prince Harry, Markle has been spotted wearing designer clothes worth thousands of dollars.
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Prince Harry and Meghan Markle pose for photographers in the grounds of Kensington Palace in London, following the announcement of their engagement, November 27, 2017.
But Middleton also traded in her usual pumps for comfortable New Balance trainers.
The ripped-jeans look may be super trendy in some circles, but many thought it wasn't an appropriate choice for a future member of the royal family. According to People, on a visit to Birmingham for International Women's Day, Markle carried a navy blue Altuzarra Ghianda Saddle Bag that cost $1595 (R18868,85).
It is likely Ms Markle and the prince, who is patron of the Invictus Games Foundation, which oversees the delivery of the tournament, will be among the spectators at the Games in Australia. The funds are is from his annual $28 million (R331,2 million) earnings from his income as the Duchy of Cornwall.