Miley Cyrus sends temperatures rising as she unbuttons her shirt to reveal a flash of bra as she visits London

As the weather heated up in London, Miley Cyrus was tempted to bare more flesh and chose to unbutton her shirt to reveal a flash of bra.

The 20-year-old was wearing a colour clashing tartan patterned shirt on her way from her hotel to Luton airport on Monday.

Perhaps feeling hot in the wintery garment, the star loosened her shirt to reveal a glimpse of her black bra.

Feeling the heat: Miley didn't seem to have dressed for the summer, wearing a warm-looking shirt

She also showed off some bling in the form of several gold statement necklaces.

The singer also carried a matching black-and-white tartan bag and wore a black and grey trilby hat, some black sunglasses and a bright red manicure.

The We Can’t Stop singer has been promoting her music in London where she has been spotted partying with Nicole Scherzinger and Pixie Geldoff.

Off on her travels: Miley may have dressed for comfort for her flight from Luton airport

Colour co-ordinated: Miley went for a tartan look for her UK visit

Mischief: The star playfully sticks out her tongue and waves at her fans

The singer’s fourth album is expected to be released later this year with hip-hop producers Hit-Boy and Pharrell Williams involved in the project.

And it seems That Miley is keen to show a new raunchier side to herself with the controversial video for We Can’t Stop showing the star gyrating, making rude gestures and partying hard.

She told the MailOnline: ‘They’ve edited the video here in the UK. They put a big X over my mouth ’cos I was going like ‘this’ (she makes a gesture for oral sex).

Natural beauty: The singer wore understated makeup which emphasised her fresh-faced looks

Cheese! Miley seemed delighted to help a fan take a snap of herself together with her idol

In demand: Miley is greeted by fans as she leaves her hotel to travel to Luton airport

She continued: 'No gyrating, no ***********, there was a lot less. They took out literally everything. I thought the video wasn’t bad, then MTV in the UK sent, like, 18 notes asking for changes.'

The star also said that she feels truer to herself in her latest album, telling Billboard: ‘I feel like I can really be myself,

I really have more of a connection of who I am, and I feel like I can maybe express that more in my music now.’

The star has also recently premiered the music video for her recent collaboration with rapper Snoop Lion,  Ashtrays and Heartbreaks,  the latest single from Snoop's Reincarnated album.