Meghan Markle immediately whisked away to Kensington Palace after arriving in London

Cheers!

Meghan Markle touched down at London's Heathrow International Airport on Tuesday and was whisked right away to Kensington Palace, E! News confirmed. She will be by Prince Harry's side this weekend to watch Pippa Middleton exchange vows with James Matthews at St. Mark's Church in Englefield, Berkshire.

No details are known yet about how Meghan will spend the next few days abroad, or how long she'll stay beyond this weekend. However, according to E! News, she did postpone plans to have drinks with a fashion and beauty vlogger. (Meghan recently shuttered The Tig, her own popular lifestyle blog.)

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Style Sisters: Kate Middleton and Meghan Markle
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Style Sisters: Kate Middleton and Meghan Markle

Ladies in Red

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Ladies in Red

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Beautiful Blues

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Beautiful Blues

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Stylish in the Sun

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Stylish in the Sun

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Simple in Silver

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Simple in Silver

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Evening Attire

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Evening Attire

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A Timeless Style

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A Timeless Style

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Lovely in Lace

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Lovely in Lace

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Casual and cool

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Casual and cool

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Although the world is most excited to see bride Pippa's sure-to-be gorgeous gown as well as the Duchess' of Cambridge's ensemble, anticipation is also high for Meghan's top-secret outfit. The only known detail is that she plans to wear a hat.

After months of speculation, reports were confirmed in early May that Kate Middleton's younger sister would break her "no ring, no bring" rule to extend a full invitation to Prince Harry's girlfriend. The exception allows Meghan to attend not only the main ceremony, but also all other celebratory gatherings through the weekend. (That means several outfit changes!)

Meghan and Harry made their first official joint appearance in early May, at a charity polo match. The two were photographed sneaking a kiss in a parking lot after his match.

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