The 4 denim items every woman should own, according to fashion experts.

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If you've ever wondered what the essential denim pieces are for your wardrobe, or maybe you're thinking of dipping your toe into the barrel jean trend but aren't sure how to style them, you're not alone.

On a recent episode of Nothing To Wear, Lucinda Pickett, fashion brand PR and trend consultant, and Chelsea Hui, Mamamia's Entertainment Writer and Gen Z fashion oracle, discussed the denim trends everyone should know about.

They each shared their top two denim items that every woman needs in their wardrobe and explained how to style them throughout the four seasons.

Watch: Our fashion team dives deep on denim must haves. Post continues below.

1. Denim midi skirt.

Chelsea's first denim must-have staple is a midi denim skirt, and she recommends opting for a light wash.

"I have quite a lot of light wash denim, which I feel like is very versatile, because for summer, sometimes darker denim can feel harder to style. A light wash works for the warmer seasons."

"For summer I would wear it very simple—just some sort of cropped top, or even tuck in a white tee, and pair it with a sandal or a kitten heel." She added, "I love to throw a belt on with a tucked-in white tee."

L-R: Instagram/@karinastylediaries, @newyorkersinthecity, @thevoguedus.

"In cooler weather in autumn you could wear a tucked-in white tee and add layers like a leather jacket or blazer. I love the look of a white sock with a loafer, especially in autumn."

When winter arrives, she recommends embracing longer silhouettes. "For winter, I love the look of a midi skirt with a knee-high boot. I feel like that silhouette is pretty. Then throw on a warm, dark, long coat over it."

For spring, she returns to classic pieces. "And finally, for spring, I would do a classic white button-down, tucked in, or even just a button-up that's a bit light. I would throw it on over the denim and pair it with some sneakers or maybe a pair of flats."

Witchery Denim Belt Midi Skirt, $159.

Image: Witchery

City Chic Karina Denim Skirt, $139.95.

Image: The Iconic

H&M A-line Denim Skirt, $59.99.

Image: H&M

2. Denim jacket.

Lucinda's first denim staple is the timeless denim jacket, a piece she considers truly year-round.

"So I really do wear this all year round," she says, noting that denim jackets made a strong appearance at Burberry's London Fashion Week presentation. For a classic look, she often wears a white shirt underneath.

The versatility of a denim jacket shines in summer. "What I love about a denim jacket in summer is I tie it around my waist. I wear it over my shoulders. It goes with everything. You just want to grab and go with a jacket just in case it gets cold in summer."

L&R Instagram/@lucindaplikkat, middle Instagram/@leighacampbell.

"This is my go-to jacket in spring. I'd pair it with a mini denim skirt. If you're going to buy a denim jacket, try and buy one where it's got the matching skirt and the matching jeans."

In autumn, Lucinda embraces contrast. "In autumn, I like wearing a denim jacket with some layering like a lace midi skirt. As long as you're not trying to pair it with a different style of denim."

"And then in winter, the Canadian tuxedo I regularly wear is a denim jacket with jeans. If it's super cold, I wear a turtleneck underneath."

Ksubi Oversized Jacket Heritage, $219.95.

Image: The Iconic

Oversized Denim Trucker, $149.99.

Image: The Iconic

3. Barrel Jeans.

Chelsea's next recommendation is the sometimes polarising barrel jeans, a trend that's proving it's staying power.

"For summer, I would keep it very simple and wear them with a white tee tucked in, a belt, and then with a pair of sandals or a pair of sneakers."

L-R: Instagram/@leighacampbell, @missionstyle_, @watthelabel.

Autumn calls for cozier layers. "For autumn, I'd do an oversized sweater or a button-up."

Winter styling gets more structured. "In winter I would tuck it in with a long-sleeve shirt and belt, and layer it with a long brown coat over the top and ballet flats."

For spring, she suggests a trendier approach. "For spring, I love the look of a cardigan, but nothing else underneath and just doing the top two buttons poking out, paired with a sneaker."

Cotton On barrel jeans, $69.99.

Image: ASOS

City Chic Harley Fit, $119.95.

Image: City Chic

Levi's Baggy Dad Barrel Jeans, $159.95.

Image: Levi's

4. White denim jeans.

Lucinda's second denim staple is white jeans, a piece that many shy away from but she insists we shouldn't.

"I think it can be scary to some because, particularly, millennials were so afraid of white. I think back to when they weren't good quality jeans," she explains. Her advice? Invest in quality. "If you can get 100% cotton, good quality white denim, then in summer you can wear them with a cami. Or you can cuff the bottoms and roll them up as well."

"I love white denim jeans with an oxford shirt. And the good thing with white—literally any colour goes and gives a clean, crisp, clean girl aesthetic."

L&R: Instagram/@lucindapikkat, middle Instagram/@leighacampbell.

Autumn is the perfect time to experiment with colour. "In autumn, I'd explore more of the layering. And I find white gives me that clean palette. So again, I could put on a peach or lime green or brown colour palette in satin."

She also suggests getting creative: "Or you could wear them with a lace midi skirt over the top. I also like playing a lot with the bandana belt with white now, just to add a little bit of colour."

"And then in winter, I do lots of tonal dressing. I'm very much head to toe in white or camels. I find if you're wearing white jeans, a nice brown boot I wear all the time—I think brown boots go really nicely with white."

City Chic Asha Fit Ally Skinny Jean, $109.95.

Image: City Chic

Rolla's Kate Baggy, $159.95.

Image: Rolla's

Levi's Ribcage Straight Ankle Jeans, $159.95.

Image: The Iconic

With these four denim essentials in your wardrobe, you'll have endless styling options no matter the season. The key is investing in quality pieces and not being afraid to experiment with different combinations and layering techniques.

For more helpful style advice and shopping recommendations, subscribe to the weekly Nothing to Wear Substack, listen to the Nothing to Wear podcast or watch Nothing to Wear on YouTube.

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Feature Image: Supplied.