Annunziata Rees-Mogg, sister of Tory MP Jacob Rees-Mogg, is the first candidate to be announced for Nigel Farage's Brexit Party in the upcoming European elections.
Mr Farage introduced Ms Rees-Mogg on stage at a launch event for the party in Coventry, saying she would vie to become an MEP in May.
She said of her decision to stand: "I'm here today in sadness. Our democracy has been so betrayed that I have felt the need to be here."
Ms Rees-Mogg will form part of what the former Ukip leader calls his "fightback" against a "two-party system ... unfit for purpose".
Here's everything you need to know about the Brexit Party's first candidate.
Who is Annunziata Rees-Mogg?
A freelance journalist, Ms Rees-Mogg has written for The Daily Telegraph and edited the European Journal, a magazine owned by Eurosceptic think tank the European Foundation owned by Tory MP Bill Cash.
She's the younger sister of Tory Brexiteer Jacob Rees-Mogg and daughter of William Rees-Mogg, a former editor of The Times.
She joined the Conservative Party in 1984 when she was five years old and claims she was out canvassing for the party by age eight.
Ms Rees-Mogg worked in a series of jobs including finance before becoming a journalist while carving a niche as a Tory party activist.
She stood unsuccessfully as a parliamentary candidate in the 2005 general election in Aberavon, South Wales, and lost again in 2010 in Somerton and Frome.
She had been thought a shoe-in by some after David Cameron put her on his A-list of parliamentary candidates.
Why is she now standing for the Brexit Party?
It comes as no surprise that, as one of the Brexit Party's first candidates, Ms Rees-Mogg's top priority is Brexit.
At the event in Coventry, Ms Rees-Mogg said she had remained loyal to the Conservative Party "through thick and thin" but that Britain's failure to leave the EU was the last straw.
She said: "The point at which our Prime Minister will not listen, not only to her membership, but will not listen to the people of her country... I can't sit by and let her do it."
"We've got to rescue our democracy, we have got to show that the people of this country have a say in how we are run.
"That the politicians are not our masters - they are to do our bidding."
What do people say about her?
Jacob Rees-Mogg tweeted of his sister: "Annunciata is my Brexit conscience who ensures I do not go soft.
"As I cannot even persuade her to spell her name correctly the chance of brainwashing her is slim."
It seems her brother wasn't the only person to encourage her to change her name to increase her electoral chances.
Ahead of the 2010 elections, David Cameron reportedly asked her to consider shortening it to Nancy Rees-Mogg, although her brother later said this was a joke.
