The actress' divorced parents Thomas Markle and Doria Ragland will both be there but it's not known if her father will walk her down the aisle.
It has also emerged today Meghan will not be continuing her work with the UN or other organisations, but instead will starting her charity work as a full-time royal afresh and begin touring the country with Harry.
It is believed the arrangements could allow the players to live rent-free while they search for accommodation.
To promote and support seniors who enjoy going to the theater. Watch Video Home-bound elderly receive a glossy package of art work from the museum’s exhibitions and call in to access the accompanying lecture through a teleconferencing system all to keep home-bound elderly involved in artistic activities. Senior art workshops providing the full experience of visiting museums, discussing artwork, and creating their own artistic forms of expression.
The art program aims to keep elderly who are in adult day care involved in artistic activities. Seniors receive customized visual and performing arts activity training at assisted living, residential communities, adult day care and other senior sites. Senior stand up comedy is performed by senior comics for senior audiences.
The couple have shunned a larger wedding at Westminster Abbey or St Paul's for a more intimate church service at St George's, where his father Charles had a blessing after marrying Camilla in the nearby Guildhall in 2005.
It also means Queen and Prince Philip can easily travel to the wedding of the year as it was revealed that the royal family will pay for the event, the music, the flowers and the reception.