At this point, we've come to expect a little déjà vu while scrolling through Instagram or looking at the latest must-have celebrity outfit. Many of today's top trends are full on throwbacks, and fashion is currently experiencing Y2K round two. Still, for the past year or so, Hailey Bieber's tight dresses and cute crop tops have seemed even more familiar than most, and while it took us a while to pinpoint why, we've finally realized something: they remind us of stuff Jennifer Lopez loved in late '90s and early '00s.

Looking back to when JLo was shocking the world with low-cut Versace gowns, and even during that time when she coordinated with Ben Affleck, her looks were super similar to what Bieber wears today. The "Let's Get Loud" singer and the model both enjoy a little bit of leather, accessorizing with belts, and wearing bras as tops. And, once you see the side-by-sides, you'll understand why we feel these two icons are totally twinning.

It can also be argued that Lopez is still following the same fashion rules she always has, and that much of what she wore back in the day has remained in her rotation. It's further proof that both Bieber and Lopez (and, yes, their talented stylists) know what they're doing, and if we're looking for outfits that will always wow, these two serve as the perfect inspiration.

A Sheer Black Sweater and Leather Pants

Hailey Bieber and Jennifer Lopez Style

One outfit, two ways. While Bieber made these bold pants a bit more casual with a cool pair of sneakers, Lopez dressed up hers, adding heeled sandals.

A White Suit With a Bralette

Hailey Bieber and Jennifer Lopez Style

Baggy or tailored, this outfit is bound to stand out — in the best way — no matter where you're headed. If you're feeling extra daring, add a hat, JLo style.

A Crop Top With Beige Bottoms

Hailey Bieber and Jennifer Lopez Style

Bieber can't quit this pirate top, but seeing it styled with beige pants and sunglasses reminds us of Lopez's combo from 2003. Who knew the Ice Cream Cone trend was that timeless?

A Neutral Halter Dress

Hailey Bieber and Jennifer Lopez Style

Whether your preference is the twisted cutout or the low-cut, ruched design, both versions are seemingly everywhere today. In fact, if Lopez held onto dress from the first annual Teen Choice Awards, now would be a good time to break it out of storage.

A Black Cropped Sweater and Jeans

Hailey Bieber and Jennifer Lopez Style

While these two women definitely had the same idea while getting dressed, you can definitely tell which decade these outfits are from. Bieber's crop top is a major trend in 2021, while those lace-up, two-tone jeans are extremely Y2K — but are bound to be spotted on an influencer sometime soon.

A Brown Coat Over Neutral Staples

Hailey Bieber and Jennifer Lopez Style

There are definitely items that are well worth the investment because of how long they last, and in this case, a light brown coat seems to be one of them. Sure, Bieber's is leather while Lopez went with a belted overcoat, but both proved this versatile shade complements a variety of ensembles, especially those in a neutral color scheme.

A Long, Tight Black Dress

Hailey Bieber and Jennifer Lopez Style

Save for the mask, this is essentially the same outfit, proving that whether you're headed to a date night dinner or a formal red carpet event, a curve-hugging black dress can come to the rescue. Plus, with the help of accessories and shoes, it's possible to make this piece feel unique to your personal style.

A Full Denim Look

Hailey Bieber and Jennifer Lopez Style

It's not for everyone, but when it comes to wearing denim head to toe, whether through a matching set or a jumpsuit, Bieber and Lopez are definitely down. The good news is, if you're itching to give it a try, it's easy to replicate this vibe with pieces you already own, wearing your favorite denim jacket and a pair of jeans together.

Floral Satin Designs

Hailey Bieber and Jennifer Lopez Style

Shiny, floral printed materials were everywhere in the late '90s and aughts, but Bieber resurrected the trend in October 2020, stepping out in a sweet yet statement-making matching set and topping things off with a throwback hairdo.

A Coordinated Turtleneck and Jacket Combo

Hailey Bieber and Jennifer Lopez Style

It's not just the fact that they both went monochromatic, wearing white turtlenecks underneath coordinated jackets. It's not even that added large sunglasses and statement belts to their looks, taking them to the next level. It's that they're also making similar expressions, which really makes it a true twinning moment.

A Bralette, Jeans, and a Belt

Hailey Bieber and Jennifer Lopez Style

Technically, Lopez was dressed for a Super Bowl performance, but we're convinced her sparkly bralette and jeans were the fancier version of Bieber's laid-back, cashmere-inclusive look. Of course, both added their go-to accessory, belts, and some colorful heels for a fun touch. It's an easy, sexy look that's perfect for in-between temperatures.

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