EastEnders cast transforms into crazy fancy dress looks for Zack and Whitney's 'sten-do' – but the party is soon around the corner

THE CAST of EastEnders look completely transformed with incredible fancy dress looks for Zack and Whitney's 'sten-do'.

Residents of Albert Square flocked to the scene The Queen Vic as they celebrated the seemingly happy couple's upcoming wedding.

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The residents of Walford get into the festive spirit for Zack and Whitney's 'sten-do'
The party did not go smoothly when a shocking event resulted in chaos

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The party did not go smoothly when a shocking event resulted in chaos
Bianca (Patsy Palmer) knows that Zack (James Farrar) cheated on her daughter with Lauren

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Bianca (Patsy Palmer) knows that Zack (James Farrar) cheated on her daughter with Lauren

But all is not as it seems when the festivities are interrupted by a shocking event EastEnders.

The party quickly descends into chaos as the underlying tension overwhelmed the crowd.

Bianca continued to look sour throughout the meeting as she confronted her apparent soon-to-be son-in-law Zack (James Farar).

Initially, the duo have a tense conversation at the bar before she sits him down after her shocking discovery.

He accidentally told her he slept with Lauren Branning (Jacqueline Jossa), causing Bianca to punch both him and Lauren in the face in the middle of Walford.

It seems that Zak is meant to look like a gangster, as he is dressed in a stylish old-fashioned suit and suspenders.

However, it doesn't seem like she's getting into the party spirit as she's dressed in a basic leopard print tracksuit.

But that doesn't mean the other cast members didn't enjoy the evening in their get-ups.

Billy (Perry Fenwick) and honey (Emma Barton) came to the pub dressed as the Flintstones in caveman attire.

They watched as Sonia (Natalie Cassidy) took a tense call as she opted for an ocean theme with fish-shaped headpieces and a scale-print top.

Jack Branning (Scott Maslen) kept himself very on-brand when he showed up in a mock appearance Police costume, making a joke about his career in law enforcement.

'I'm going crazy!' EastEnders fans gasp as they realize Bianca is related to unlikely Walford character

Meanwhile Callum Highway (Tony Klei) came as a prisoner in a black and white stripped suit and with a black eye patch.

Johnny Carter (Charlie Suff) was at the bar dressed in a 70s disco look while apparently handling a complaint with Ian (Adam Woodyatt) and Cindy Beale (Michelle Collins).

This will be part of Whitney's exit storyline next Shona McGarty announced she was leaving the soap after 16 years.

Last summer she informed the producers of her intention to quit the serial drama, calling it a “difficult decision”.

Shona explained: “It's all I've ever known. I pretty much grew up on the Square, so it feels like I'm leaving my home.

“But I had to put on my big girl pants and be very brave because life is so short and you feel that more and more as you get older.”

Bianca confronts her son-in-law at the bar

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Bianca confronts her son-in-law at the bar
Ian Beale is flanked by Cindy as he appears to have a complaint while being served by Johnny Carter

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Ian Beale is flanked by Cindy as he appears to have a complaint while being served by Johnny Carter
Sonia Fowler is dressed as a fish as she receives a tense phone call

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Sonia Fowler is dressed as a fish as she receives a tense phone call
Eve Unwin wore a beehive style wig as she attended the party

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Eve Unwin wore a beehive style wig as she attended the party