Celebrities, politicians, and CEOs all use Costco to purchase everyday items.
Costco clothing is also going viral on TikTok as influencers look to discount stores.
From designer sunglasses to discount TVs, here are some of the best Costco bargains we found.
The US retailer Costco has more than 100 million members across the world, but these people aren't just everyday shoppers.
Costco is drawing more attention as its fashion department goes viral on social media.
The search term "Costco clothing finds" has been used 2.1 billion times on TikTok and the hashtag #costcofashion has more than 10.8 million views. Other Costco hashtags include #costcocouture, with six million views, and #costcoclothes with more than 15.5 million views.
The TikTok videos involve people showing trendy Costco clothes for cheap prices.
But the wholesale retail store hasn't just caught the eyes of everyday shoppers.
Costco has also attracted celebrities, CEOs, and politicians with its bargains across a range of products.
Stars including "Selling Sunset" realtor Christine Quinn, the Kardashians, and Megan Fox are fans of shopping at the warehouse chain.
Meta CEO Mark Zuckerberg and former mayor of New York City, Rudy Giuliani, have also been seen buying items from Costco.
Here are some of the products Insider saw on a trip to Costco, which celebrities have been seen purchasing in-store.
Christine Quinn, a realtor on Netflix's "Selling Sunset" series, said she shops at Costco for black leggings to save money.
She said that she got black leggings in particular from the discount store.
"I do like Costco," Quinn told the Journal.
Insider can't confirm the leggings pictured above are the ones Quinn wears. The pair we found cost £13.99, that's around $16.50.
Mark Zuckerberg had his eyes on televisions in Costco. The majority of the ones we saw in Costco cost more than £900.
Zuckerberg and his wife Priscilla were spotted wandering down the TV aisle in a Costco store located in Mountain View, California, according to TMZ, which published the photo.
The televisions Insider found cost between £1,120 and £1,400.
Former New York City Mayor Rudy Giuliani has been seen buying socks from Costco. The cheapest pack we found cost £5.99.
There was a range of socks on offer in Costco, from designer brands such as an eight-pack of Puma socks for £10.99 to a four-pack of Kirkland socks for £12.99.
Source: 2 News
Giuliani also bought a book about Richard Nixon and some DVDs from Costco, per reports.
Source: 2 News
Megan Fox has a preference for Kirkland items from Costco. The fleeces below cost around $12, while the tracksuit pants cost roughly $16.50.
Despite being pictured in designer brands on her Instagram page, Fox is no stranger to Costco.
Fox has previously been spotted leaving Costco with a shopping cart containing Kirkland products, according to Costco Blog, cited in Insider's report.
From walnuts to bars of soap, Costco's Kirkland Signature range offers a variety of products.
Kirkland also offers knock-off Ugg boots — much cheaper than the original price of real Ugg boots.
Costco's own brand, "Kirkland," shearling boots look a lot like knock-off Uggs but cost a fraction of the price. The ones we found were priced at £25.99, and shoppers can choose from an ankle-high or mid-calf version of the faux sheep-skin shoes.
Toilet paper was also in Fox's Costco cart, per the retailer's blog. The price of the 12-pack below was £25.
During a Costco trip in south London, we spotted some designer products, for example, these sunglasses.
Costco offers a wide range of sunglasses. From designer brands such as Gucci and Balenciaga to convincing knock-offs, shoppers are spoilt for choice.
Customers can also pop in for an eye test while in the store.
Costco sells genuine Levi's jeans at just £29.99 a pair, that's around $35.
The skinny jeans come in black, light blue, stonewashed, and dark blue — Costco also stocks multiple sizes.
This Levi's puffer jacket costing £36.99 was also a bargain.
There were more discount Levi's on offer in Costco, including this bright pink cropped jacket from the brand. A similar style on Levi's website cost £180.
The jacket stocked in Costco also came in light purple and baby blue, but we thought the hot pink was a winner.
There was also a large range of branded sportswear on offer at Costco.
From Nike to Fila, there was no shortage of labels within the sports clothes section.
A pair of Fila tracksuits came to £8.99, while Nike leggings cost £21.99.
With the number of bargains you can find at Costco, it's no wonder celebrities flock there for the best deals.
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