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Kate Middleton and Meghan Markle -

Back when Meghan Markle was better known for being Rachel on 'Suits,' she wore a shorter version of the Duchess of Cambridge's Diane Von Furstenberg "Zarita" dress.

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Kate Middleton and Penélope Cruz -

But Markle wasn't the only one wearing a similar dress. Penélope Cruz also wore one to the premiere of 'Pirates of the Caribbean: On Stranger Tides' in 2011.

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Meghan Markle and Victoria Beckham -

Everyone loved the dress Meghan Markle wore to Commonwealth Day in 2019. And that includes Victoria Beckham, who wore the same dress to a wedding in Spain just a few months later.

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Queen Elizabeth II and Blake Lively -

Neon green? Yes, please! We're used to the Queen wearing bright clothes, but it looks like the actress can also pull off bold colors.

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Kate Middleton and Drew Barrymore -

Both the Duchess of Cambridge and the actress wore the same Tory Burch gown. Kate Middleton did so during a royal visit to Bhutan in 2016, and Drew Barrymore wore it to the ASPCA Bergh Ball in 2016.

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Meghan Markle and Sharon Stone -

A white button-down is classic, and both Meghan Markle and Sharon Stone know that. Except the Hollywood veteran wore this look in 1998, and the Duchess of Sussex in 2019!

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Princess Diana and Mandy Moore -

Lady Di looked gorgeous in this Catherine Walker suit and hat in Kuwait in 1989. But the Brandon Maxwell gown the singer wore to the Emmys in 2019 comes close! 

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Kate Middleton and Reese Witherspoon -

We love plaid looks, and apparently so do Kate Middleton and Reese Witherspoon. The Duchess of Cambridge wore this outfit to a Christmas party in 2018, and the actress was spotted going for a stroll in LA with a similar one.

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Meghan Markle and Priyanka Chopra -

First, we must say they both look great in burgundy! Priyanka Chopra wore it first, in 2018. Markle wore her monochrome outfit to the Queen's Commonwealth Trust event in 2019.

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Princess Diana and Lili Reinhart -

The actress channeled the Princess of Wales with this silver number and couldn't have looked more stylish.

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Kate Middleton and Angelina Jolie -

Kate Middleton wore this outfit for a visit to the Netherlands, and the actress kept the royal vibe when she received a honorary damehood from the Queen at Buckingham Palace.

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Meghan Markle and Jennifer Garner -

Markle wore this Roland Mouret dress the day before her wedding to Prince Harry in 2018. The actress wore a similar dress to a very special occasion: when she accepted her star on the Hollywood Walk of Fame.

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Princess Diana and Jennifer Lawrence -

The Princess of Wales wore a backless Catherine Walker gown and pearls to the 'Back to the Future' premiere in 1985. It's a look that the actress probably drew inspiration from for the 2013 Oscars.

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Kate Middleton and Elisabeth Moss -

The Duchess of Cambridge wore this Vampire's Wife ruffled emerald lamé dress during her visit to Ireland in 2020. The actress, however, had worn it a few years earlier.

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Meghan Markle and Glenn Close -

You might remember the Duchess of Sussex wearing this Everlane jumpsuit in South Africa in 2019. Well, Glenn Close had worn a similar one just months prior, at the Palm Springs International Film Festival.

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Kate Middleton and Abigail Spencer -

The actress wore this Alessandra Rich polka dot dress to Meghan Markle and Prince Harry's wedding in 2018. The Duchess of Cambridge wore it about one year later.

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Meghan Markle and Julianne Moore -

Which one do you prefer: Markle's emerald Emilia Wickstead cape dress, or Moore's Dior gown? Moore wore it first (in 2019), if you're asking.

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Kate Middleton and Mandy Moore -

The Duchess of Cambridge looked gorgeous during her visit to Canada in 2016 with this Preen by Thornton Bregazzi red dress. But we must say that the singer also looks amazing in the blue version.

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Meghan Markle and Sophia Bush -

Meghan Markle's Judith & Charles mini tuxedo dress turned heads in 2018. But so did the one Sophia Bush wore to the Hollywood Foreign Press Awards.

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Kate Middleton and Sandra Bernhard -

In 2018 we could see Kate Middleton wearing this beautiful black floral Leith x Orla Kiely dress. But the comedian had already sported it at an event in 2017.

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Meghan Markle and Jenna Coleman -

If you don't know who Jenna Coleman is, then you're in for a treat: she's an actress, who also reportedly happens to be Prince Harry's ex! Who wore it best?

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Kate Middleton and Bee Shaffer -

This Alexander McQueen gown that the Duchess of Cambridge wore to the National Portrait Gallery in 2019 is adorable. And so is the slightly shorter version worn by Anna Wintour's daughter.

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Meghan Markle and Amanda Peet -

The Duchess of Sussex wore this Carolina Herrera gown during a visit to Morocco in 2019. And so did the actress a few months later at the 'Game of Thrones' season 8 premiere in New York City.

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Kate Middleton and Lisa Vanderpump -

The Duchess of Cambridge could be seen wearing a a bow blouse for a visit to the Henry Fawcett Children's Centre in London. The reality star's ensemble was not far off Kate Middleton's.

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Meghan Markle and Nicky Hilton -

In 2020, we could see Meghan Markle wearing this elegant gown by Safiyaa in London. Though the socialite had worn a very similar one to the amfAR gala in New York City in 2015.

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Princess Diana and Emily Ratajkowski -

Here is Lady Di back in 1995, and the model channeling her in 2019. Show spandex shorts some love!

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Meghan Markle and Cariad Lloyd -

Markle wore this green print dress to an Invictus Games reception in 2018. The actress wore the same dress to the BAFTAs.

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Princess Diana and Emily Ratajkowski -

It doesn't matter if it's 1996 or 2018. A pinstripe blazer never goes out of fashion!

Sources: (Harper's Bazaar)

See also: Fashion rules the royal family must obey

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