Henry, who was a good friend of both Prince William and Harry, passed away in a vehicle accident 16 years ago in 2002. The service raises money for the Henry van Straubenzee Memorial Fund, a charity named after Harry's friend who passed away in 2002.
But despite the family dynamics, she may find some of the more unusual royal festive traditions a little unusual.
The two Duchesses have hit recent headlines after rumours of a royal rift emerged.
Kate Middleton, Duchess of Cambridge, has stepped out of style comfort zone to follow in her sister-in-law's more modern footsteps.
Speaking about their friendship on her former lifestyle blog The Tig, Meghan said she and the tennis ace bonded very quickly when playing a game of flag football, which is a variation of American football.
Popular Indian singer arrested for sexually harassing teenage girl
Singer Mika Singh has been reportedly arrested in Dubai on the charges of alleged sexual misconduct. He will be produced before a UAE court today, Indian ambassador to the UAE Navdeep Singh Suri said.
Carla Stefaniak: Man held in USA tourist's death in Costa Rica
Burton left the country on November 28, and Stefaniak's flight back to Florida was scheduled for the next day. Her sister-in-law, April Burton, said she last heard from Stefaniak around 8 p.m. last Tuesday.
Sophie Turner Slams Claims Priyanka Chopra & Nick Jonas's Relationship Is Fake
Priyanka also introduced Modi to her brother-in-law Joe Jonas and his fiance " Game Of Thrones " actor Sophie Turner . Priyanka took to Twitter to thank the prime minister for his blessings. "Touched by your kind words and blessings".
When it became clear that Meghan wouldn't have her reclusive father to support her, Harry went to his. The mother-of-three chose a glittering off the shoulder Jenny Packham gown for the VIP event, a reception honouring the Diplomatic Corps at Buckingham Palace; but most of the attention was on her choice of tiara.
It's a lot to take in - and it's been kind of devastating for royal fans who had been leaning into the idea of this close-knit "Fab Four".
"There is no particular incident or occasion where they didn't get on", he says.
Meghan Markle stepped out with her baby bump and gave students at King's College the surprise of a lifetime on Wednesday.
Even Kate brushed off the feud claims last week, revealing she was extremely excited for her three children to have a little cousin.