It's been rumored that Elton, a friend of Prince Harry and the Royal Family, just canceled two Vegas dates in May because they conflicted with the nuptials.
According to a story published on timesofindia.indiatimes.com, popular French designer Roland Mouret will be designing Meghan's wedding dress.
The development is the latest example of how the young and rich stars of Channel 4 reality show Made In Chelsea are forging surprisingly close links to the Royal Family.
Well, if you are a die-hard Chelsea fan you may have noticed that stars of the Channel 4 reality show have a habit of getting close to royals.
John was one of a handful of celebrities who attended the wedding of Prince William and Kate Middleton at Westminster Abbey in 2011 - the same venue where he performed Candle in the Wind at Diana's funeral in 1997.
"Victoria's quite proud of the fact that she and Meghan have become chummy and seems to want people to know they are friends", said the friend.
Markle and Prince Harry are due to get married at St George's Chapel in Windsor Castle on May 19.
On top of all that, Prince William is on good terms with Miss Mackintosh's ex Pro Green because he and the rapper share an interest in mental health issues. So here's betting there will be even more Meghan and Harry movies to come before their wedding day in May.
Meghan posted pictures of herself and Millie together on her now-deleted Instagram account. "Of course, if Meghan wears one of her outfits it will be great for business".