SYDNEY Sweeney has shown off her cleavage in a cheeky new clip where she flashes her bra to promote new lingerie brand SYRN.

The Euphoria actress, 28, with ranges catering for busts up to 42DDD.

NINTCHDBPICT001056674379Sydney Sweeney has flashed her famous cleavage in a new Instagram videoCredit: Instagram/syrn NINTCHDBPICT001056674328The actress shocked fans near the end of the clip as she lifted her T-shirt and laughed, showing off the bra she was wearing from her brand SYRNCredit: Instagram/syrn

And in a new video from behind the scenes of a shoot for the brand’s Valentines collection, Sydney used herself as a model for the lingerie.

Talking to the camera, Sydney was dressed in a white T-shirt and denim shorts as she showed off a range of new products from the back of a pick up truck.

After talking through each item, she then shocked fans as she lifted up her own T-shirt to reveal a nude lace bra.

As Sydney flashed a smile, colleagues behind the camera could be heard erupting into laughter and saying, “Oh my god!”

Taking her hands across her chest, Sydney said with a giggle: “And I’m wearing, from the first collection, Seductress lightly lined plunge”.

Sydney then lowered her T-shirt back down and told fans she hopes they “love” the collection.

The actress introduced SYRN to the world with a raunchy launch campaign last month – which saw her dressed in numerous lacy four-piece sets.

The brand has been backed by Amazon boss and his wife , after Sydney attended their

They are hoping to follow in the footsteps of fellow entrepreneurs such as Kim Kardashian and Rihanna, who have made millions from their respective underwear brands.

Skims, launched by Kim in 2019, is now valued at $5billion, while Savage x Fenty from Rihanna is worth $1billion.

The star previously revealed that inspired her to create her own undergarments.

And it’s no surprise that the marketing technique being used by , as at the helm of the new business venture is herself.

A source previously told The Sun: “Sydney has become one of the most talked-about women in Hollywood and this brand will propel her to new heights.

“Those involved in the business believe that, in no time at all, she’ll earn more from Syrn than her acting work.

“It’s an extremely lucrative market and as one of the most desired women around, who better than Sydney to model the underwear?”

NINTCHDBPICT001056674329Filming in the back of a pick up truck, Sydney showed off her brand’s new collectionCredit: Instagram/syrn NINTCHDBPICT001054535833Sydney launched her brand with a raunchy campaignCredit: SYRN By Sydney Sweeney NINTCHDBPICT001056373357She is hoping to rival multi-million pound celeb brands such as Kim Kardashian’s SKIMS and Rihanna’s Fenty x SavageCredit: @syrn / instagram