'These don't fit us!' Rita Ora flaunts her incredible abs and ample assets in sexy two-piece with lookalike sister Elena after sporting too-tight swimwear

Her gym-honed figure has garnered her a range with lingerie brand Tezenis.

And Rita Ora flaunted her enviably taut abs once more as she posed in sexy swimwear with her lookalike sister Elena in a series of sizzling Snapchat selfies on Friday.

The singer, 25, gave a mock wince as she wore a too-tight swimsuit during the spa day - before slipping into a plunging bikini and writing cheekily: 'That's better!'

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Sizzling: Rita Ora slipped into a plunging bikini with her lookalike sister Elena and wrote cheekily: 'That's better!' after sporting ill-fitting swimwear posting the results on Snapchat

The RIP hitmaker showcased her incredibly flat stomach and toned legs as she posed in a skimpy green patterned two-piece.

The plunging top revealed a hint of cleavage, while the tattoo on the side of her ribcage was subtly on display. 

The blonde beauty scraped her peroxide locks into a tousled up-do and appeared to go make-up free for the sultry shot. 

Meanwhile, Elena flaunted a glimpse of her ample assets in her bikini, and slung a bathrobe over her shoulders. 

A tad uncomfortable? The singer, 25, gave a mock wince as she wore a too-tight swimsuit during the spa day

In a previous snap posted to the social media site, the How We Do singer appeared to cover up her svelte physique as she posed in a tight swimsuit.

Placing an emoji over her modesty in the Snapchat, the blonde stunner placed a hand over her chest as she grimaced at the lens.

Elena mirrored her sister's pose as she placed her hands over her thighs and scraped her dark locks back.

Rita captioned the jokey image: 'In the spa like ummmmm these don't fit us sorry! Lol'

Clue? Fans accused the 25-year-singer of causing trouble in Beyoncé and Jay Z's relationship after she posted a snap in a lemon bra just days before Beyonce's album release, in which the flipped mirror reflection made her necklace look like the letter J

Look lovely in lemon yellow lingerie like Rita

Tezenis lemon bra

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We've seen an awful lot of these mesh, fruity bras by Tezenis pop up recently. From Jade Thirlwall in a pink cupcake version to Poppy Delevingne in a yellow lemon pick at Coachella and now Rita in the same number, everyone is loving Tezenis' cute bralet designs!

Rita fronted a Tezenis campaign not long ago, so it's no surprise she's a big fan of the brand.

This cute lemon pick is sadly now sold out, but Tezenis has announced on Instagram that it'll be re-stocked soon so keep your eyes peeled!

If you want to see what the brand currently has in stock, click right. There's nothing quite like this cool pick elsewhere, but you can get zesty in lemon lingerie with one of our hot picks below. Then wear yours with denim shorts and a kaftan for festival season, or let it peek out of a tuxedo jacket if you're at home.

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In a series of Snapchat pictures posted on April 21, just days before Beyoncé released her album, Rita was seen wearing a semi-sheer bra which protected her modesty with strategically placed lemons.

Denied: She claimed that she had 'nothing but the utmost respect' for Beyonce

While the bra was in fact one of many fruit motif items from her collaboration with lingerie label, Tenezis, it was Rita's choice of necklace that truly had 'Queen Bey's fans – who call themselves the Beyhive - buzzing with disdain.

The singer wore a gold necklace with the initial 'R', although due to the mirror reflection, some were falsely led some to believe the letter was a 'J'.

Rita's Instagram page was flooded with insults, along with bee and lemon emojis, which is Beyoncé fans' favored form of attack on social media.

Rita was keeping a low profile as she arrived in Vancouver, Canada on Tuesday following the drama, which saw her accused of being the 'Becky with the good hair' who stole Beyonce's man following the release of the superstar's new music.

Partying the night away: The Hot Right now singer wore the same Gucci shirt and skirt that beyonce did in her Formation video in a Snapchat with her close friend Nick

That looks familiar: Rita stepped out wearing a Gucci outfit worn by Beyonce in her recent Formation video in West Hollywood on Monday, appearing to taunt the Lemonade singer

There it is: Rita appears to have taken inspiration from another famous singer 

Rita's appearance comes after she shot down claims that she is the subject of cheating allegations made against rap artist Jay Z.

The musician took to Twitter on Tuesday to set the record straight on reports that she was taunting his wife Beyonce over the cheating scandal, insisting she had 'nothing but the utmost respect' for the Lemonade singer.

Keep em guessing: Rita shared an image of the official film poster for Ash Wednesday, a film that focuses on a middle-aged woman trying to keep her husband interested

Rita became the latest woman named in connection with Beyonce's new track Lemonade, in which she appears to blame 'Becky with the good hair' for a tryst with her superstar husband.

She wrote on Tuesday night: 'I never usually address tabloid gossip but let me be clear, these rumours are false.'

She followed up with: 'I have nothing but the upmost respect (sic) for Beyonce. Let's continue enjoying Lemonade.'

The previous evening she had been putting on a defiant display with pal Nick Grimshaw as Beyonce fans made the initial links between Rita and Jay Z.

And Rita has certainly been keeping them guessing by posting a cryptic Instagram picture on Tuesday that featured the official film poster for the Elizabeth Taylor-fronted film, Ash Wednesday.

The 1973 drama, directed by Larry Peerce, focuses on a middle-aged woman who is worried she's losing her husband.

The 25-year-old singer shared the official film poster on her account, which shows a glamorous Liz Taylor holding a pearl necklace up to her face.

Rita also treated her fans to several Snapchats as she partied the night away with close pal Nick in Hollywood.

MailOnline has contacted a representative for Rita for comment.

On Monday, Rita appeared to be sending out a thinly-veiled message to Beyonce when she appeared to have copied the outfit she wore in her Formation video.

The singer stepped out wearing the £745 blouse and matching skirt as she stepped out in West Hollywood, after she became the latest person to be accused of having an affair with Jay Z following the release of Beyonce's new track.

Keeping us all guessing: Rita's mysterious posts were met by a mass of confused comments from social media users, many of whom referred to the Jay Z cheating rumours