Pippa Middleton's Wedding Party Will Feature a British 'Bachelor,' But Will Kate Be Matron of Honor?

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Pippa Middleton has only been engaged for a matter of days, and already she's going to have to start thinking about her wedding party. 

The British socialite's upcoming nuptials to fiancé James Matthews will include quite the high-profile guest list, with royalty on her side of the family -- and a reality star on his.

WATCH: Pippa Middleton is Engaged to James Matthews!

Pippa's fiancé is in fact the older brother of former British Bachelor Spencer Matthews.

Spencer has made his way around the reality show circuit, first as an original cast member of Made in Chelsea in 2011. A year later, he starred on the U.K. version of The Bachelor, before returning to Made in Chelsea after failing to find lasting love.


Spencer remained on the show until 2015, briefly participating in I'm a Celebrity, Get Me Out of Here! that same year, before nabbing himself a hosting gig on the talk show Loose Women in 2016.

While Spencer is sure to attract attention with his participation in the wedding party, attention is exactly what Middleton's sister, Kate, is hoping to avoid.

In fact, some have speculated that the Duchess of Cambridge might not be in the bridal party as matron of honor, even though Pippa was Kate's maid of honor in her 2011 wedding to Prince William. 

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"I think Kate is going to be very aware of her status," royals expert Katie Nicholl told ET. "As future queen, I don't think she's going to be matron of honor, [but] of course we'll have to wait and see." 

"I think she'll have a really important role behind the scenes and of course on the big day she will be there," she added.

Instead, Kate might just participate in Pippa's big day by doing a reading, like their brother James did at her wedding, although her children, Prince George, 2, and Princess Charlotte, 1, might have their own roles in the ceremony. 

"If anyone is going to upstage anyone on Pippa's wedding day, it's going to be the Prince and Princess," Nicholl said. "There's a rumor [Prince George] will be asked to be a page boy, possibly if its late summer, [and] Princess Charlotte will be old enough to be a flower girl."


WATCH: Pippa Middleton Continues Her Reign as Wimbledon's Fashion Queen in Chic Retro Dress

While Pippa definitely has a lot of planning to do, for now, she appears to be enjoying her engagement -- and that gorgeous ring!

See more in the video below.

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