Selena Gomez shows off her pert derriere in a skimpy thong... as trolls brand her a 'snake' for 'betraying' Bella Hadid with The Weeknd romance

Selena Gomez teased a cheeky glimpse of her peachy posterior in a raunchy Instagram snap, just one day after Bella Hadid unfollowed her on the social media site.

The defiant image was taken and posted by fashion photographer Mert Alas and comes as Selena's blossoming romance with Bella's ex The Weeknd was revealed.

And, while Selena stays quiet on her social media page, her existing posts are being littered with cruel comments from trolls, calling her a 'snake' and a 'traitor'. 

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Racy: Selena Gomez teased a cheeky glimpse of her envy-inducing posterior in a raunchy Instagram snap, just a day after it was revealed Bella Hadid had unfollowed her on the social media site

One fan wrote: 'You talk about awareness before but wat is this wt The Weekend? Its shocking but Anyway if your happy dats ok i guess... (sic)'

Other, more cruel commentators called her a 'b*tch' and a 'Fame wh*re' for hooking up with Bella's ex-boyfriend, real name - real name Abel Tesfaye.

And, in defense of Selena's friend Bella, another wrote: 'BELLA is better,' and one other warned: 'Leave Abel alone he wants Bella hadid'

Referencing the first paparazzi pictures of Selena and The Weeknd, another added: 'She looks so clingy to the weeknd lmao! That wont last' while many littered her posts with snake emojis. 

On Wednesday night, photographer teasingly tagged The Weeknd in his photo post and captioned it with a love heart emoji, suggesting feelings between the two singers are running deep.

Yikes: While Selena has not been posting new pictures, her existing pictures have been littered with comments from trolls

Moving on: Bella and The Weeknd were in a relationship for two years

Wearing nothing but a yellow lace thong, Selena, 24, is captured as she covers her modesty with a white towel and casts a smouldering look into a mirror.

The singer sported large gold hooped earrings and her shoulder-length raven tresses obscure part of her face as she glanced over her shoulder.

Mert can be seen in the mirror, concentrating as he takes the image on his phone. He captioned the shot: 'Beauty and the Beast' 

The glamorous star wore a classy face of make and a pink manicure. She slightly arched her back and her small inking was visible.

Social media warfare! Bella, 20, unfollowed Selena on Instagram on Wednesday after her ex The Weeknd was spotted kissing the songstress during a romantic dinner date

Selena and The Weeknd were spotted kissing after a dinner date on Tuesday evening.

So the very next day, the 26-year-old Canadian singer's ex-girlfriend, Bella Hadid, unfollowed the Hands To Myself songstress on Instagram.

The surprise new couple were not shy while hugging and sharing a sweet smooch in public as they left celebrity hot spot Giorgio Baldi in Santa Monica, in photos posted by TMZ.

The Weeknd recently split from Bella, 20, in November after dating for two years. 

Selena and the younger sister of Gigi Hadid are also both members of Taylor Swift's girl squad.

In screenshots posted by Elle, Bella was still following Selena at 1:30 P.M. but less than two hours later the actress and singer was unfollowed.

The evidence: The Victoria's Secret model still followed Selena on Instagram at 1:30 P.M. on Wednesday as seen in screenshots posted by Elle

Former friends? But less than two hours later the actress and singer was unfollowed

Still speaking? Selena and Bella are also both members of Taylor Swift's girl squad, and even spent time together with model sisters Suki and Immy Waterhouse in September 2015

The brunette beauties were even pictured together in September 2015 as they posed for an Instagram snapshot with model sisters Suki and Immy Waterhouse.

The former Disney Channel starlet - who holds the record for the most Instagram followers by a celebrity with 106 million - still follows Bella, who holds 9.5 million.

The Victoria's Secret model is one of just 254 people Selena follows on the popular social media app.

Surprise! Selena and The Weeknd (pictured on stage together at the 2015 Victoria's Secret Fashion Show) were spotted kissing and hugging after a romantic dinner date on Tuesday

His muse? The Canadian artist bowed down in homage to the former Disney starlet at the show that took place in New York in November 2015

New couple: The two singers appear to have embarked on a surprise romance if their very public display of affection is anything to go by

On Tuesday night the pop starlet held onto the Starboy hit-maker, wrapping her arms around him as they left the restaurant.

Selena laughed and smiled as she planted kisses on her new man, with The Weeknd at one point moving in for a full-on smooch.

Each was dressed in jeans and jackets with the R&B star adding a baseball cap.

His ex: The Canadian R&B star dated model Bella for two years before they split in November. They're pictured performing together at the 2016 Victoria's secret Fashion Show 

Her ex: Selena dated Justin Bieber, 22, on and off from 2011 to 2014, when they finally broke up for good. They're pictured in November 2011

Selena had a long on and off again relationship with Justin Bieber before they split for good in 2014.

The successful singer is fresh from touring her platinum-selling 2015 album Revival and recently completed a stay in a Tennessee treatment facility getting help for 'anxiety, panic attacks and depression' - which were side effects of her Lupus.

In December, Mexican pop star Paulina Rubio revealed that she and Selena have already collaborated on new material for the star.

Last month she was named as the new face of American fashion brand Coach in a rumored $10million deal. 

Meanwhile, The Weeknd is featured on the cover of February's issue of GQ magazine, along with Chance the Rapper.

In the news: The Weeknd is featured on a cover for the February issue of GQ magazine

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