Awkward! Bella Hadid shows off stomach as she heads to boyfriend The Weeknd's concert... as her sister Gigi's ex-beau Joe Jonas trails behind 

Bella Hadid looked cute in a crop top as she headed to her boyfriend The Weeknd's concert in Los Angeles on Wednesday evening.

But the 19-year-old model may have been heading toward an awkward encounter.

Trailing behind the daughter of Yolanda Foster was her sister Gigi's ex-boyfriend Joe Jonas. Gigi has since moved on with One Direction vet Zayn Malik, 22, and Joe has been openly unhappy about her new romance.

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Flashing the tum: Bella Hadid looked cute in a crop top as she headed to her boyfriend The Weeknd's concert in Los Angeles on Wednesday evening

Oh no: But the 19-year-old model may have been heading toward an awkward encounter. Trailing behind the daughter of Yolanda Foster was her sister Gigi's ex-boyfriend Joe Jonas

It is not known if Bella and Joe interacted inside the concert, which was held at The Forum.

Gigi had on a plunging black crop top with silver belted black slacks and an oversized blazer by Smythe with rolled up sleeves that revealed an orange satin striped lining.

A purple Chanel purse was tucked in under her blazer.

Concert clothes: Gigi had on a plunging black crop top with silver belted black slacks and an oversized blazer by Smythe with rolled up sleeves that revealed an orange satin striped lining

Who's the dude? The Elle magazine favorite was escorted by an older man with a silver beard and pulled back locks and sunglasses on

Dressed down to rock out: Joe was casual as well in a black Harley-Davidson T-shirt under a green silky bomber jacket that had black paint splattered on it

The sister: Gigi has since moved on with One Direction vet Zayn Malik, 22

The Elle magazine favorite was escorted by an older man.

He appeared to be a roadie or concert helper. The man looked ready for lug equipment with his two tone shirt and locks pulled back.

Joe was casual as well in a black Harley-Davidson T-shirt under a green silky bomber jacket that had black paint splattered on it.

His hair was cut short in the back.

The Jonas Brothers vet appeared to be by himself, though it was reported his brother Nick also went to the concert. 

Since his split with Gigi, Joe has unfollowed her on Instagram.

Also at the event were Khloe and Kourtney Kardashian as well as Kendall, Kylie and Kris Jenner. 

Kim was at home in Hidden Hills with her newborn son Saint as well as daughter North, aged two. 

Khloe, 31, looked sensational in a curve-hugging dress, rivalling her Victoria's Secret model sister with her long legs peeping through a side split. 

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Leggy lady! Khloe Kardashian looked incredible as she led the way with her famous family as they went along to The Forum to see The Weeknd

With her Louboutins on, Khloe made long strides to -and later from - the venue beside her 5ft 9in sister who similarly tipped the look with heels.

Khloe, impeccably tressed with her hair in loose waves, was keeping her sister entertained as they approached the venue and hinted at her vivacious mood as she giggled.

The sisters were both wearing black, though they certainly didn't hide in the shadows with their scene-stealing ensembles. 

See more Khloe Kardashian news and style as she goes to The Weeknd's concert

Busty display indeed! Kourtney Kardashian wowed as she showed off her slender curves in a revealing sheer black lace top and slim-fitting trousers

Rear-ly nice: Khloe, 31, made the most of her ample derriere and gym-honed legs in her daringly-cut black dress

Careful! The reality TV star almost showed too much as she climbed the steps with a pal after the show

Legs for days: Khloe showed how hard she has been working in the gym in recent months, the tone on her thighs seriously enviable

Celebrating: Khloe was also joined by her younger sister Kendall Jenner, who looked chic in skintight leather trousers and boots

Party time: Khloe was looking stunning in a black dress that hugged to her curves perfectly

Kourtney, 36, displayed her very ample cleavage as she rocked a skintight sheer black lace top, showing off her bra underneath.

The slender star, the eldest of the Kardashian-Jenner clan, continued to flaunt her amazing figure as she teamed the racy top with a pair of slim-fitting bottoms, cropped at the ankle to show off her classic black heels.

Her raven tresses were slicked back and a bright scarlet red lipstick added to her perfect pout. 

Girls' night: Khloe and Kendall were joined by another gal pal as Kylie and Kris attended with them

She's well red: Kourtney, 36, made for a seriously elegant additon to proceedings with her scarlet red lip shade

Victoria's Secret Angel Kendall, 20, was lithe in leather-look trousers, over-the-knee boots and a a fur-trim waistcoat.

She was later seen joined by her best pal model Cara Delevingne, who was her typically laid-back self in a pair of skinny jeans with a zipped-up jacket, her blonde locks tied up in a utilitarian ponytail. 

And, somewhat surprisingly, 18-year-old Kylie switched her usual glam look for something far more casual, rocking a taupe knitted mini dress teamed with trainers and her hair scraped up into a topknot. 

The famous family were supporting a pal in The Weeknd's Abel Makkonen Tesfaye since he is dating one of Kendall's best friends, Bella Hadid.

Even glamorous gran Kris was making a special effort to look the part, donning her rockiest ripped jeans and a pair of heavy-duty boots. 

The family were no doubt celebrating expanding their family this weekend because Kim had just welcomed a son, Saint West, with husband Kanye.

Kendall flew back to the States especially to make a visit to the new addition after working in London over the weekend.

And proving to have put her visit bid in early, Khloe said her nephew was 'so cute' on Saturday, not long after the birth.

Rock and roll gran: New gran Kris Jenner was accompanying the troops on wetting the baby's head after daughter Kim Kardashian expanded the family with a son on Saturday

Family outing: Though they weren't pictured together, Kourtney Kardashian (second left) later shared an image with fellow attendees Kylie Jenner (right) and Khloe (centre)

'My little nephew was born,' she said. 'He is so cute and so perfect. I love him and mommy and daddy are doing fantastic.'

She also joked about paying another visit to the hospital owing to her vigil for estranged husband Lamar Odom, who was admitted a couple of months ago following a drug-fuelled binge in Las Vegas. 

She tweeted: 'I know these hospital halls way too well. Hoping from one room to another.' 

Going low-key: Kylie Jenner often likes to steal the limelight, but on Wednesday she was the most laid-back of the family as she shunned the spotlight in her casual gear