The day out with Kate will mark Meghan's first time at Wimbledon as a member of the royal family, although she has attended in previous years.
Following the match, Williams gave an emotional interview that included a touching message to moms, as her own mother, Oracene Price, and dear friends, Kate Middleton and Meghan Markle, showed their support in the stands.
According to Mirror the sister-in-laws met some of the championships' ball boys and ball girls, and junior players. The mother-to-be also wore a dress to the event like her sister Kate instead of opting for trousers like Meghan Markle and Emma Watson.
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More anti-Trump protests are taking place Saturday in other parts of Scotland, including one with some 10,000 people in Edinburgh. "These demonstrations are not simply just about the politics of Donald Trump , it is about his moral values as well".
Duchesses Meghan and Kate attended the tennis tournament in London Saturday and both looked perfectly posh for the summer outing.
Meanwhile, Kate wore a black and white, polka dot patterned midi dress, believed to be by Jenny Packham, which had ruffle detail around the neck and the waist.
Williams is battling it out with 11th-seeded Angelique Kerber. Prior to the royal wedding, Meghan was responsible for buying her own clothes for appearances and reportedly spent nearly $30,000 of her own money on clothing for royal events through March 2017.
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But the report said it found no evidence of political bias in the FBI's decision to not pursue criminal charges against Clinton. Republicans, on the other hand, peppered Strzok with questions and expressed outrage that's been building for months.
Alexis Ohanian, co-founder of Reddit, watched as wife Williams played on Centre Court.
Serena has also boasted about their friendship and recently spoke to press at Wimbledon about how they've always had each other's back.
"She's officially No. 1", Williams said of Middleton after complementing the Duchess' ability to look great right after giving birth.
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Federer raced to a two-set lead but Djokovic forced a fifth before running out of steam, both physically and mentally. Federer had been pursuing a 13th Wimbledon semi-final and a 44th appearance in the last four of a grand slam.