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There she is! Lauren Silverman, 42, showed a sensational style during her departure in London on Thursday

Her beau Simon Cowell was forced to abruptly cancel his 60th birthday celebrations earlier this week.

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And Lauren Silverman, 42, showed a sensational style during her departure in London on Thursday.

The beauty wowed in a tight navy turtleneck navy dress that she put together with a pair of knee-high black boots.

There she is! Lauren Silverman, 42, showed a sensational style during her departure in London on Thursday

There she is! Lauren Silverman, 42, showed a sensational style during her departure in London on Thursday

Lauren emphasized her piping at the waist with a thin black belt and wore her necessities in a chic handbag.

She wore a sensational blowdry and protected her striking features with a few chic shades.

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Her observation comes after Simon had canceled his birthday celebrations, just a few days before he would organize an exclusive party in a restaurant in West London.

The music magnate, who turned 60 on October 7, had famous guests from around the world to celebrate his milestone at Chelsea restaurant, La Famiglia, on Wednesday night.

Sartorially savvy: The beauty wowed in a tight navy turtleneck navy dress that she put together with a pair of knee-high black boots

Sartorially savvy: The beauty wowed in a tight navy turtleneck navy dress that she put together with a pair of knee-high black boots

Sartorially savvy: The beauty wowed in a tight navy turtleneck navy dress that she put together with a pair of knee-high black boots

Simon and his partner, Lauren, sent extravaganza cancellations a few days before the birthday and mentioned & # 39; planning conflicts & # 39; as a reason, which kept the plans of his showbiz friends in turmoil.

Instead of celebrating his big day, television personality prefers to focus on the current series of celebrities from The X Factor, which has had disappointing reviews so far.

A spokesperson for Simon told MailOnline: & The decision was made to postpone the dinner yesterday morning.

Canceled: her sighting comes after Simon canceled his birthday celebrations, just a few days before he would organize an exclusive party at a restaurant in West London
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Canceled: her sighting comes after Simon canceled his birthday celebrations, just a few days before he would organize an exclusive party at a restaurant in West London

Canceled: her sighting comes after Simon canceled his birthday celebrations, just a few days before he would organize an exclusive party at a restaurant in West London

& # 39; Simon's priority is his incredibly busy work schedule in the coming month and this naturally includes the current series of The X Factor and other TV and music projects. & # 39;

Simon, who celebrated his real birthday earlier this month with a small dinner in LA, would rearrange his party in early December when The X Factor was packed.

A source told MailOnline: & # 39; Simon currently focuses solely on work. It's no secret Simon is a workaholic and he always strives to improve everything he is involved with.

Event: The music magnate, who turned 60 on October 7, had famous guests from around the world to celebrate his milestone at Chelsea restaurant, La Famiglia, on Wednesday evening
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Event: The music magnate, who turned 60 on October 7, had famous guests from around the world to celebrate his milestone at Chelsea restaurant, La Famiglia, on Wednesday evening

Event: The music magnate, who turned 60 on October 7, had famous guests from around the world to celebrate his milestone at Chelsea restaurant, La Famiglia, on Wednesday evening

Location: Chelsea restaurant, La Famiglia, where Simon's 60th party was to take place

Location: Chelsea restaurant, La Famiglia, where Simon's 60th party was to take place

Location: Chelsea restaurant, La Famiglia, where Simon's 60th party was to take place

& # 39; He also doesn't want people to have a hangover on Thursday and would prefer that the focus is purely on work – and of course the upcoming shows – instead of celebrating his 60th birthday.

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& # 39; His real birthday was anyway earlier this month – and he had a small dinner in LA. So he has just decided that this larger dinner can wait until December when work starts to calm down. & # 39;

The last-minute cancellation is said to have thrown the plans of many of the Mogul's A-list friends, with numerous guests who flew to London for the event.

A second source told MailOnline: & # 39; Simon had planned an appropriate extravagant event for his 60th birthday and had invited guests from all over the world to fly to celebrate.

& # 39; Canceled a few days earlier has really thrown people's plans into the air. & # 39;

Canceled: Plans: Simon and his partner, Lauren sent cancellations just days before the extravaganza birthday, citing & # 39; planning conflicts & # 39; (shown in July)

Canceled: Plans: Simon and his partner, Lauren sent cancellations just days before the extravaganza birthday, citing & # 39; planning conflicts & # 39; (shown in July)

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Canceled: Plans: Simon and his partner, Lauren sent cancellations just days before the extravaganza birthday, citing & # 39; planning conflicts & # 39; (shown in July)

Simon and Lauren sent guests a cancellation on Tuesday, just one day before the celebration, it said: & # 39; Dear all, I am so sorry, but this dinner has been canceled / postponed. (Sic)

& # 39; Planning conflicts unfortunately forbids us to have this dinner right now. (Sic)

& # 39; We will keep you informed when it is rescheduled. Thank you for your understanding, Lauren and Simon. & # 39; (Sic)

Simon & # 39; s 60th birthday bash would take place on Wednesday, October 30 at 6:30 pm in the intimate Chelsea restaurant, La Famiglia.

Rearrange: Simon, who celebrated his actual birthday earlier this month with a small dinner in LA, would rearrange his party for December (the original invitation is pictured)

Rearrange: Simon, who celebrated his actual birthday earlier this month with a small dinner in LA, would rearrange his party for December (the original invitation is pictured)

Rearrange: Simon, who celebrated his actual birthday earlier this month with a small dinner in LA, would rearrange his party for December (the original invitation is pictured)

La Famiglia has hosted stars from all over the world, with Princess Margaret, Brigitte Bardot and Michael Caine dining in the Chelsea eatery over the years.

The Italian restaurant, located in Chelsea, has various Tuscan delicacies on the menu, including egg pasta with angel hair with truffle oil and Parmesan cheese and thinly sliced ​​veal with tuna mayonnaise.

La Famiglia states on its website that lunch with a starter, main course and wine for two costs around £ 80.

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Simon celebrated his 60th with a small dinner with partner Lauren, son Eric, five, and some of his best friends at the famous hotspot Nobu in Malibu on his official birthday on October 7.

Hotspot: La Famiglia has hosted stars from around the world, with Princess Margaret, Brigitte Bardot and Michael Caine dining at the Chelsea eatery over the years

Hotspot: La Famiglia has hosted stars from around the world, with Princess Margaret, Brigitte Bardot and Michael Caine dining at the Chelsea eatery over the years

Hotspot: La Famiglia has hosted stars from around the world, with Princess Margaret, Brigitte Bardot and Michael Caine dining at the Chelsea eatery over the years

The music magnate partyed loudly during the long dinner, appeared with a big smile on his face before accepting a bottle of wine from photographers for the ride home.

During the event, Simon was also accompanied by partner Lauren & # 39; s son Adam, his British Got Talent co-star Alesha Dixon, 41, his ex and close friend Terri Seymour, 47, and America & # 39; s Got Talent co-star Howie Mandel, 63.

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Simon is canceled after appearing with partner Lauren at the Pride of Britain Awards on Monday.

The X-Factor judge continued to display his considerably slimmer frame after losing 20 pounds thanks to adopting a strict vegan lifestyle earlier this year.

The British Got Talent judge recently admitted during a performance at The Ellen DeGeneres Show that he drastically changed his diet so that he could keep up with son Eric.

Pals: Simon celebrated his 60th with a small dinner with partner Lauren, son Eric, five and ex and close friend Terri Seymour, 47, at Nobu in Malibu on his official birthday on October 7

Pals: Simon celebrated his 60th with a small dinner with partner Lauren, son Eric, five and ex and close friend Terri Seymour, 47, at Nobu in Malibu on his official birthday on October 7

Pals: Simon celebrated his 60th with a small dinner with partner Lauren, son Eric, five and ex and close friend Terri Seymour, 47, at Nobu in Malibu on his official birthday on October 7

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He said: & # 39; I went to this doctor in London. We have done some tests. And then, a month later, he said, "You have the worst diet I've ever met from a patient."

& # 39; So I went: "Okay, out of smoking, drinking and dieting, what should I drop?" And he said, "The diet." So I said, "I'm in!"

& # 39; It was easier than I thought, and part of the reason I did it was because of Eric. I realized that if I didn't physically resolve myself, I couldn't catch up with him.

& # 39; Because he comes the moment he goes to sleep … their energy, you forget, at age five, is phenomenal. & # 39;

Simon said earlier that he had named his diet the Eric Cowell diet after his son, because the boy loves raw vegetables.

He said: & # 39; It's like the Eric diet because he actually loves water, apart from ice. I mean, who likes water? And are raw vegetables. So I follow the Eric Cowell diet. & # 39;

Fun: Simon and Lauren attended the Pride Of Britain Awards on Monday evening at the Grosvenor House Hotel in London, just when the party was canceled (photo)

Fun: Simon and Lauren attended the Pride Of Britain Awards on Monday evening at the Grosvenor House Hotel in London, just when the party was canceled (photo)

Fun: Simon and Lauren attended the Pride Of Britain Awards on Monday evening at the Grosvenor House Hotel in London, just when the party was canceled (photo)

. (tagsToTranslate) dailymail (t) tvshowbiz (t) Simon Cowell (t) America