Meghan Markle’s £300 Self-Portrait dress sells out within hours, as she steps out with Prince Harry at Invictus Games reception

PRINCE Harry’s fiancé has once again demonstrated the Meghan Markle effect, after the elegant £300 dress she wore hours ago has already sold out.

The Suits actress, 36, wowed in a low-cut green Self-Portrait dress, as she accompanied Harry, 33, to meet the Australian Prime Minister in London.

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With the sun shining, it’s no wonder Meghan opted for the floaty number which falls to just below the knee.

The floral number has pleated frills, ruffled detailing on the bodice and eye-catching black and white flowers – and looks perfect for summer.

Meghan styled the dress with a chic Alexander McQueen blazer that costs £1,245 and is also on the verge of selling out.

She also opted for £495 Manolo Blahnik pumps in the BB95 suede shade, and a £795 Roland Mouret chain-detail handbag.

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Self-Portrait dress

• £300 from Self-Portrait -

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Black suede pumps

• £495 from Manolo Blahnik -

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Alexander McQueen blazer

• £1,245 from Net-a-Porter -

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Roland Mouret Classico bag

• £795 from RolandMouret.com -

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But not everyone can splash out on such an expensive dress this summer and there are cheaper alternatives around.

To take the stress out of shopping the look, we have rounded up some similar styles to those of the soon-to-be royal’s wardrobe, but with more affordable price tags.

Floral Print One Shoulder Midi Dress

• River Island £65 from River Island -

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Leaf You to It Floral Dress

• £25 from Nasty Gal -

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Midi Dress With Twist Front

• 52 down from £85 from Asos -

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Today Meghan and Prince Harry are attending the official reception ahead of the Invictus Games in Sydney later this year.

Prince Harry and his bride-to-be are to meet servicemen and women from both Britain and Australia, some of whom have previously competed in the international sporting event.

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More than 500 competitors - made up of sick and injured military and veterans - from 18 nations are expected to compete at the Invictus Games in Sydney between October 20 and 27.

The event coincides with the the Queen's 92nd birthday and Meghan is expected to attend a celebration concert at the Royal Albert Hall with Harry later today.

It’s not the first time Meghan has caused an item to sell out.

On her trip to the UK team trials of the Invictus games a few weeks ago Meghan wore one of her new trademark pieces, the trench coat, and it flew off shelves.

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Meanwhile for her engagement photocall in November last year, she wore an elegant belted white coat by Canadian brand Line The Label, which she wore over a £437 dark green dress by Parosh.

The Line The Label's website kept crashing because of the numbers of people trying to access its site.

If you’re looking for other royal fashion trends, Meghan Markle’s sell-out £45 M&S jumper is back and there’s even a new colour.

You can also find some of her stand out styles that you can copy to get the princess look!