Heidi, right, copies Kate's look down to her jewellery so the Duchess being pregnant means she'll also have a bump

Former waitress Heidi Agan is determined to be the best Kate Middleton lookalike in the world - but the role has just got more complicated thanks to the Duchess' pregnancy.
Mother-of-two Heidi hasn't gone to the extreme of getting pregnant again herself but has instead invested in a number of belly prosthetics so she can continue to replicate Kate's look. 
'As Kate grows I will too - to be authentic I thought it was important,' she told the BBC, adding that she has had a 'bump made in various sizes'.

'As Kate grows, I will too': Heidi Agan, right, has bought baby bumps in different sizes so she can keep copying Kate's look. The five month pregnant Duchess is pictured last week, left

Foresight: Heidi appeared in a Daily Mail article last year predicting Kate's pregnancy style, right, and this dress the Duchess wore in February is remarkably similar

Heidi, from Corby, Northamptonshire, earns £650-a-day as the Duchess' doppelganger through public and media appearances.

The 32 year old single mother has worked hard to mimic Kate's clothes, mannerisms and posture since she quit her job at a Frankie and Benny's restaurant to become a professional lookalike.

No baby on board: Heidi in her baby bump shows how the Duchess will look later this year

She made the career move after people kept coming up to her convinced she was Kate.
She has had to spend some of her earnings on replicating Kate's designer wardrobe including buying the blue Issa dress Kate wore when she and Prince William announced their engagement and a £300 copy of her Alexander McQueen evening wedding gown.

Got the look: Heidi bought the blue Issa dress Kate wore to announce her engagement, left

Imitation: Heidi spent £300 on this copy, right, of Kate's Alexander McQueen evening wedding dress

The Duchess is currently five months pregnant and is still not showing much of a bump. She has worn clothes she has been pictured in before at recent public appearances - albeit less tightly fitted - so has not yet been seen in maternity clothes.
As a result, Heidi said it's currently not as easy for her to copy Kate's style.

Copy Kate: The lookalike earns £650-a-day in public and media appearances

She said: 'It's difficult at the moment as she's not big enough yet to change her entire wardrobe so it's difficult to see how she's going to dress it.'
Heidi was given a taste of what Kate's maternity wear may look like when the Daily Mail used her as a model in a 'dressing the royal bump' fashion piece last year.

No maternity wear yet: Kate still fits into the Emilia Wickstead coat she wore to last year's St Patrick's Day parade, right, so wore it again last week, left, without a belt

Aside from what clothes to wear, Heidi, who has a son, Blake, 11 and daughter, Abigail, four, is having to get used to having a baby bump again.
She wrote on Twitter earlier this month: 'picked up my 'baby bump' today, how strange.'

'Authentic': Heidi, right, copies Kate's look down to her jewellery so the Duchess being pregnant means she'll also have a bump

But despite the fact she'll have to carry some extra weight for a few months, Heidi said she has no regrets about becoming a lookalike.
She said: 'It’s a huge difference from working in a restaurant and it pays better. It’s a really fun job as I’m doing something different every day.'