'You swept me off my feet!' Heiress Lydia Hearst celebrates engagement to Chris Hardwick... hours after he wins an Emmy

It was a night to remember for Lydia Hearst and Chris Hardwick.

The pair celebrated their engagement on Saturday night, hours after Talking Dead host Chris was awarded an Emmy.

The 43-year-old CEO of Nerdist Industries presented his heiress girlfriend with a vintage diamond ring that once belonged to her grandmother Catherine, the wife of famed newspaper magnet Randolph Hearst.

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'You swept me off my feet!' Heiress Lydia Hearst got engaged to Chris Hardwick on Saturday; the two are pictured at the Creative Emmys in Los Angeles earlier in the evening

'You swept me off my feet!' Heiress Lydia Hearst got engaged to Chris Hardwick on Saturday; the two are pictured at the Creative Emmys in Los Angeles earlier in the evening

Stun in a red lace gown like Lydia

Lydia Hearst may be Patty Hearst's daughter, the granddaughter of newspaper mogul William Randolph Hearst and now the fiance of Chris Hardwick. But none of that matters to us at Fashion Finder.

We were, of course, driven to find out more about the burgundy lace mermaid gown she wore to the Creative Emmys. We love the darker hue, perfectly appropriate for the fall and the slightly off-shoulder neckline and sleeves.

We were surprised to find out this American heiress chose Steven Khalil, a not-that-well-known Australian designer known for bridal and red carpet gowns. Although you won't find Lydia's dress, click right to visit the designer's full range of stunning evening wear.

Or, if you're in the mood to shop, see below. We love the off-shoulder lace gown by J. Mendel and the textured lace gown at Nordstrom.

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What a night! Chris Hardwick and his workmates celebrate their Emmy for outstanding interactive media (juried) for @Midnight With Chris Hardwick.

What a night! Chris Hardwick and his workmates celebrate their Emmy for outstanding interactive media (juried) for @Midnight With Chris Hardwick.

'I said YES!!!!!!' tweeted an excited Lydia, sharing a romantic snap of the two in the battlements at the family' historic home Hearst Castle.

'Every love story is beautiful, but ours is my favorite. You completely swept me off my feet. You have shown me what it feels like to be loved and I love you with all my heart.

'My life is better because you are in it.'

Moment to savour: 'I said YES!!!!!!' tweeted an excited Lydia, sharing a romantic snap of the two in the battlements at the family' historic home Hearst Castle

Moment to savour: 'I said YES!!!!!!' tweeted an excited Lydia, sharing a romantic snap of the two in the battlements at the family' historic home Hearst Castle

That's some bling: The 43-year-old CEO of Nerdist Industries presented his heiress girlfriend with a vintage diamond ring that once belonged to her grandmother Catherine, the daughter of famed newspaper magnet Randolph Hearst

That's some bling: The 43-year-old CEO of Nerdist Industries presented his heiress girlfriend with a vintage diamond ring that once belonged to her grandmother Catherine, the daughter of famed newspaper magnet Randolph Hearst

The two had earlier posed together kissing on the red carpet at the Creative Emmys in Los Angeles, before Lydia celebrated as Chris and his team picked up the Emmy for outstanding interactive media (juried) awards for @Midnight With Chris Hardwick.

But while accepting his Emmy was a moment to savour, it had nothing on what happened later. 

Chris explained on Instagram: 'My biggest win of the night was actually @lydiahearst saying YES!!!!

If only she knew: Lydia, a model and actress, poses with her boyfriend before he popped the question

If only she knew: Lydia, a model and actress, poses with her boyfriend before he popped the question

Whirlwind romance: The pair began dating late last year, with the new becoming public in December

Whirlwind romance: The pair began dating late last year, with the new becoming public in December

'This ring belonged to her grandmother Catherine Hearst and @patriciahearst has graciously and wonderfully passed it down to me to give to Lydia. IT'S OFFICIAL!!! 

'What an absolutely perfect and amazing night!! I love this woman with all my heart....#YesThisMeansWhatYouThinkItMeans.'

Close: The couple pose together in an Instagram snap from earlier this year

Close: The couple pose together in an Instagram snap from earlier this year

Lydia, 30, works as a model and actress and has been dating Chris since late last year. 

Lydia's exes include Jurassic Park star Jeff Goldblum, who she split from after seven months in 2011. 

Hardwick previously dated model Chloe Dykstra and previously had a long-term relationship with actress Janet Varney, after ending his engagement to The Following actress Jacinda Barrett. 

Lydia comes from one of America's most famous families.

Party people: The society couple are often pictured at showbiz events; seen here at the premiere of Jurassic World in June

Party people: The society couple are often pictured at showbiz events; seen here at the premiere of Jurassic World in June

Her grandfather William Randolph Hearst was a publishing magnate with immense political influence, who was famously anti-communist.

In 1974 her mother Patricia was infamously kidnapped by a left-wing terrorist group known as the Symbionese Liberation Army, making front page news around the world.

Patty, as the then-19-year-old was known, joined the group while in captivity and took part in a bank robbery, wielded a machine gun, then became a fugitive. 

Although convicted of armed bank robbery her sentence was commuted by President Jimmy Carter and she was later pardoned by President Bill Clinton.

Famous family: Lydia's mother Patricia, with her parents Randolph and Catherine Hearst, in 1976

Famous family: Lydia's mother Patricia, with her parents Randolph and Catherine Hearst, in 1976

 

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