As news of her shock split from husband Pro Green broke, a stony-faced Millie Mackintosh attended a London Fashion Week party

Newly-single Millie Mackintosh put on her best dress and took her gorgeous self out on the town last night.

As the shock news of her separation from husband Professor Green broke, Mills put on a brave face as she attended a London Fashion Week party.

The former Made In Chelsea star looked incredible as she arrived on the red carpet at The Naked Heart Foundation’s Fabulous Fund Fair in a beautiful yellow satin gown.

MORE: Is this Millie Mackintosh’s hottest look EVER?

READ MORE CELEBRITY NEWS HERE

But 26-year-old Millie struggled to crack a smile as she posed for pictures. Not that we blame her – we’d have stayed home with a supersize tub of ice cream and Bridget Jones on repeat in the same situation.

Despite the fact that she accessorised her gorgeous gown with her wedding and engagement ring, Millie’s split from her husband of two years was announced just hours after her arrival at the swanky bash.

In a joint statement, the couple said: ‘It is with sadness and regret that we confirm our separation.

‘It is a mutual decision, we still care deeply about each other and would like it to be known that it is on amicable terms and we wish each other well.’

A source added: ‘It’s extremely sad that Millie and Stephen have decided to part ways, but they have managed to remain on the best of terms throughout their split and they are hopeful they will continue to do so.’

As the news broke, Millie’s fans posted messages of support on an Instagram photo she shared of herself at the fashion event.

‘Keep your head up and keep smiling Millie :)’ one wrote, adding: ‘You are a beautiful person inside and out xxxx’

Another posted: ‘So pretty, I’m sorry to hear about your split from your husband my thoughts are with you.’

We hope Millie finds her smile again soon.