Jemima Khan led a stream of wacky and VERY controversial Halloween outfits tonight for the annual Unicef ball.

The 42-year-old star arrived at the star-studded London event with a blow-up Donald Trump clinging to her back, as she attempted to portray his wife Melania, with the inflatable arms wrapped round her waist as if to mimic groping her.

Wearing a skintight white dress, it was an uncanny resemblance, and the star failed to flash a smile as she got into the shocking character - a bold statement against the Presidential candidate following recent outrage over his comments about women.

Ensuring she went all out, Jemima even carried a Trump placard emblazoned with his slogan: "Make America great again! Trump 2016. Vote on 28th November!!!"

(Image: PA) (Image: Rex)

(Image: Getty Images for Unicef)

(Image: Getty)

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Joining her was James Nesbitt who opted for a much more laid-back outfit, wearing a smart grey suit with some sort of blue cat face paint.

Meanwhile, Princess Beatrice stood out with a huge cat mask perched on top of her head, showing off her legs in a shorter leather skirt and statement black and gold jacket.

(Image: PA) (Image: PA) (Image: PA)

She was all smiles as she joined the stars outside for the event, which raises money for Univef's work for Syrian children in danger.

Sabine Getty and Alice Naylor-Leyland stood out in dramatic outfits, and they joined Amber who posed up with Alice Naylor-Leyland, Maria Hatzistefanis, Erin O'Connor and Margo Stilley.

(Image: PA) (Image: PA)

The group all donned pink wigs and bright costumes for the glittering party.

Laura Mvula stunned in a huge light pink dress, showing off her slim legs and adding dramatic lippy to the ensemble.

(Image: PA) (Image: PA)

Elsewhere, Margo Stilley won the prize for most vibrant outfit of the night in a bright pink wig, silver and white tight lycra and a flamingo in hand.

But bringing us crashing back down to Earth, Charley Boorman brought more of the controversial again with a huge metal cage on one leg for a more gruesome offering.

See them all here: