Lauren Silverman looks amazing in red top and jeans as she leaves Britain's Got ...

Her beau Simon Cowell was left squirming after he was quizzed over the fact he has not yet proposed to her. 

And confident in her romance, Lauren Silverman looked in high spirits as she exited Thursday's semi-final episode of Britain's Got Talent. 

The 40-year-old American put on a stylish display in an one-shouldered red top and skinny black jeans as she tottered along to an awaiting vehicle with her pal. 

Looking good: Lauren Silverman looked in high spirits as she exited Thursday's semi-final episode of Britain's Got Talent

Looking good: Lauren Silverman looked in high spirits as she exited Thursday's semi-final episode of Britain's Got Talent

The scarlet number bared her flawless decolletage and put emphasis on her bronzed glow. 

Her lean legs were emphasised with skinny black jeans and she boosted her height in a pair of towering old sequinned stilettos heels. 

Lauren opted for autumnal eyeshadow, as well as a bronzed make-up base and glossy pink lips.   

Chic: The American put on a stylish display in a one-shouldered red top and skinny black jeans as she tottered along to an awaiting vehicle with her pal

Chic: The American put on a stylish display in a one-shouldered red top and skinny black jeans as she tottered along to an awaiting vehicle with her pal

Red hot: The scarlet number bared her flawless decolletage and put emphasis on her bronzed glow

Red hot: The scarlet number bared her flawless decolletage and put emphasis on her bronzed glow

Holding her belongings in her hand, Lauren looked in high spirits as she continued the night with her blonde pal. 

Simon, who shares son Eric, 4, with Lauren, was also spotted leaving, sporting a massive smile as he sat in the awaiting vehicle ready to head home.

While the music mogul is no stranger to embarrassing contestants with his cheeky quips, he suffered a taste of his own medicine during the show when comedian David commented on the fact he has not yet proposed to girlfriend Lauren. 

Standing tall: Her lean legs were emphasised with skinny black jeans and she boosted her height in a pair of towering old sequinned stilettos heels

Standing tall: Her lean legs were emphasised with skinny black jeans and she boosted her height in a pair of towering old sequinned stilettos heels

Beauty: Lauren opted for autumnal eyeshadow, as well as a bronzed make-up base and glossy pink lips

: Lauren opted for autumnal eyeshadow, as well as a bronzed make-up base and glossy pink lips

Loving life: Holding her belongings in her hand, Lauren looked in high spirits as she continued the night with her blonde pal

Loving life: Holding her belongings in her hand, Lauren looked in high spirits as she continued the night with her blonde pal

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