Selena Gomez shares bikini throwback snap of herself at the piano... after setting the rumour mill alight by attending ex-boyfriend Justin Bieber's concert 

She set tongues wagging when she supported her ex-boyfriend Justin Bieber at his Los Angeles gig on Wednesday night.

And Selena Gomez was clearly in a nostalgic mood following the concert, sharing a throwback snap of herself playing the piano in her home state of Texas.

The 23-year-old singer can be seen sitting at the musical instrument, wearing a cute stripy bikini with a frilled off-the-shoulder cut.

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Making music: Selena Gomez shared a sweet throwback snap of herself playing the piano in her home state of Texas on Thursday, rocking a cute stripy bikini 

Making music: Selena Gomez shared a sweet throwback snap of herself playing the piano in her home state of Texas on Thursday, rocking a cute stripy bikini 

Show off your shoulders in Selena's striped bikini

Selena knows, 'the heart wants what it wants' and in our case, it's her $400 stripe off the shoulder bikini by Lisa Marie Fernandez.

Sitting at the piano wearing nothing but a pair of western boots and this bikini, we fell in love with Selena all over again.

Stripes in any shape, color, pattern or form never go out of style but we love this punchy colored take on a time honored classic.

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Selena captioned the shot: 'tb to a sweet, small house in TX'.

The pop princess appeared lost in the moment while performing, with her long hair falling in front of her face.

The former Disney starlet - who rose to fame on Barney & Friends alongside a young Demi Lovato - sent her loyal followers into a meltdown, as they praised both her talent and beauty.

See more of the latest Selena Gomez updates as she shares a bikini snap 

Popular: The Come & Get it hitmaker - who is the most followed celebrity on social media - sent her loyal followers into a meltdown, as they praised both her talent and beauty

Popular: The Come & Get it hitmaker - who is the most followed celebrity on social media - sent her loyal followers into a meltdown, as they praised both her talent and beauty

And Selena certainly has plenty of admirers to shower her with compliments since it was revealed last week the singer and actress had overtaken Taylor Swift as the queen of Instagram.

The star currently boasts a whopping 71.2m followers compared to close pal Taylor's 70.4m.

Meanwhile, Selena was spotted watching Justin perform at the Staples Center in LA on Wednesday night.

Standing out from the crowd: Selena was spotted watching her ex Justin Bieber perform at the Staples Center in LA on Wednesday night

Standing out from the crowd: Selena was spotted watching her ex Justin Bieber perform at the Staples Center in LA on Wednesday night

The sighting was tweeted several times by ecstatic fans who'd snagged tickets for the Canadian's Purpose Tour gig.

It was confirmed when one fan named Cassandra Snapchatted the Texan, who had landed an enviable seat in the sound mixers area.

This comes after Justin sent his fans wild as he posted a throwback snap of himself and Selena kissing, alongside the caption, 'Feels'.

The snap, which has since attracted more than 3million likes, caught the attention of Gomez, who wrote, 'Perfect'.

'Feels': Fans have been speculating whether the pair are back together again since Justin shared a retro picture of the pair kissing, and Selena commented, 'Perfect'

'Feels': Fans have been speculating whether the pair are back together again since Justin shared a retro picture of the pair kissing, and Selena commented, 'Perfect'

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