Meghan Markle, 40, contacted Republican Senators Shelley Moore Capito and Susan Collins on their private numbers to ask to support paid parental leave and a climate policy. Democratic Senator Kirsten Gillibrand had given the numbers to the Duchess of Sussex and said she would be part of a group to work on paid leave long term. Royal expert Jonathan Sacerdoti warned Meghan against using her title. Speaking to Express.co.uk, Mr Sacerdoti said: "I think that there's a sense that Meghan has increasing ambitions but maybe more as an activist than as an actual politician.

       "I think that would be a very bold step to go and do that especially if she constantly reminds everyone that she's the Duchess of Sussex.

       "She has every right to use her title but I think involving herself more in politics especially in America, she may want to think carefully about the use of the title and any association between the Royal Family and a political cause like that.

       "It is a political cause that many of us might support but regardless, to appear in more political contexts in America, I think would be increasingly challenging for somebody who is still keen to tie themselves to the Royal Family.

       "Of course that doesn't mean she won't do it."

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       While royal commentator Hilary Fordwich has lashed out at Meghan when she is lobbying despite being unelected.

       Speaking to Newsnation, Ms Fordwich said: "On the American side of things, we didn't elect Meghan Markle.

       "She's not elected.

       "The Democrat has said there are going to be more phone calls than just those two.

       "She said, I gave out more numbers of senators, there may be more phone calls.

       "She added that Meghan Markle is going to be in a group of people working on how long this paid family leave should be.

       "We didn't elect her. Who wants her to be in that position?

       "That's an issue for Americans to decide."

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       Access Hollywood reported: "These won't be the only calls Meghan Markle makes.

       "Democratic Senator Kirsten Gillibrand from New York was the one that gave Meghan the numbers to the US Senators.

       "She wants to be part of a working group to work on paid leave long term and she's going to be.

       "Whether this comes to fruition now or later, she'll be part of a group of women that hopefully will work on paid leave together."