Bella Hadid bares her toned midriff in a crop top as she flaunts her now-public romance with beau The Weeknd at NYC bash

Now that they've made things official, Bella Hadid and The Weeknd only come as a pair.

The hot new couple were seen leaving Rihanna's party in New York on Thursday hand-in-hand as they flaunted their new romance for the cameras.

Bella, 18, and her 25-year-old musician beau kept things low-key in matching black, enjoying yet another dual appearance when the stars came out to play during New York Fashion Week. 

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Now it's official: Having gone public with the romance two days ago, Bella Hadid and The Weeknd left another New York party together on Thursday

Now it's official: Having gone public with the romance two days ago, Bella Hadid and The Weeknd left another New York party together on Thursday

Luxe up your look with lace by Francesco Scognamiglio

Both the Hadid sisters were out with their men at New York Fashion Week last night.

Gigi attended Rihanna's party with Joe Jonas and Bella stepped out with singer The Weeknd. And while Gigi opted for a sporty red mini dress by Hilfiger Collection, her younger sibling worked an all black look of cropped polo neck and flared trousers.

But these aren't just any old trousers. Oh no. These are a very special pair by Italian designer Francesco Scognamiglio and feature a lace panel down the inside of each leg. We love this slinky style. It's sexy but remains understated and elegant.

And the good news for anyone with a nice healthy budget is these exact pants are available to buy at Farfetch now (right). Style with heels and a crop like Bella or play with contrasting textures by adding a cashmere sweater for chilly days.

Want to spend a bit less? Then we've fallen for this wide leg pair at Asos with a thigh high split and subtle lace detail below.

* PRICES MAY NOT BE AS ADVERTISED

Yolanda Foster's daughter Bella was glam in lace panel trousers that complemented her delicate red sole shoes.

She followed in her boyfriend's shadow as he lead the way, holding her hand, to a bash where Justin Timberlake, Lewis Hamilton and her sister Gigi Hadid are known to have been partying.

Bella towered over her man, showing off her model credentials with her toned stomach peeping between a crop top and her high-waisted bottoms. 

Dual appearance: The pair were putting in another dual appearance, again hand in hand

Dual appearance: The pair were putting in another dual appearance, again hand in hand

Smiling: She seemed happy that the romance was out and smiled as she walked behind him

Smiling: She seemed happy that the romance was out and smiled as she walked behind him

Characteristically cool I Can't Feel My Face hitmaker The Weeknd kept things casual is a bomber jacket and jeans with bright white trainers. 

It's been just two days since the couple outed their tryst with a PDA following a night at Travis Scott's album launch party.

Bella and The Weeknd - real name Abel Tesfaye - are thought to have been seeing each other for around four months.

In his shadow: Wearing her heels, the brunette towered over her boyfriend

In his shadow: Wearing her heels, the brunette towered over her boyfriend

Cute couple: It's thought that Bella and The Weeknd have been seeing each other for four months

Cute couple: It's thought that Bella and The Weeknd have been seeing each other for four months

They've managed to keep their relationship largely under wraps, despite rousing suspicion with a few Instagram snaps.

Beside a picture of the hitmaker greeting Bella's sister Gigi with a kiss on stage at the 2015 Much Music Video Awards, Bella posted a smiley face.

Also dropping a subtle hint, Gigi called Abel 'her brother' as she presented him with the Artist of the Year award that night.

Matching in black: The couple wore co-ordinating black ensembles to avoid attention

Matching in black: The couple wore co-ordinating black ensembles to avoid attention

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