A 1917 law by King George stipulates that the children of the son of a sovereign shall have HRH titles if they so choose.
ET has learned that Markle was in London when Prince Harry went to Scotland.
ET's royal expert breaks down why Meghan Markle isn't with Prince Harry and the royal family in the wake of Queen Elizabeth II's death.
The couple shared a special message in honor of the Queen who passed away at the age of 96 Thursday.
Her Majesty died on Thursday amid a rift between the two royal brothers.
Queen Elizabeth died on Thursday at the age of 96.
What comes next for the British monarchy?
The 96-year-old monarch has been placed under medical supervision.
Check out this full episode of ET's The Download, breaking down all the must-know entertainment news stories from Tuesday, Sept. 6.
Kaling has revealed that Novak is the godfather of her two children.
The Duchess of Sussex shares how her husband pushed back on the narrative that she got lucky in their relationship.
The 41-year-old Duchess of Sussex gave her first U.K. speech since stepping down as a senior royal.
Bethenny Frankel calls out Meghan Markle on her 'Just B' podcast, taking aim at the duchess for rehashing royal family drama.
The 51-year-old former reality star compares Markle to 'Real Housewives' stars who leave the show and continue talking about it.