She was spotted shunning her signature black and white wig at Los Angeles Airport on Wednesday.

And Sia Furler, 41, looked age-defying, drawing attention to a very youthful complexion.

The singer and songwriter's new look is a far cry from her usual appearance, which has certainly transformed over the years.

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What's her secret? Sia, 41, showed off her age-defying beauty and and a very youthful complexion at LAX on Wednesday (right). Pictured on the left in Sydney in November 2010

The past seven years has seen Sia undergo quite the physical transformation.

The blonde beauty's on stage and red carpet appearances would usually see her covering her face with a thick black and white wig of a blunt cut.

However, in November 2010, the chart-topping star was spotted with a blunt platinum cut with bangs.

Low-key: Normally seen in slightly more conservative outfits with a vintage feel, the singer looked very trendy in the figure-hugging sportswear

Private: Sia usually goes to extreme lengths to hide her identity, covering her complexion with a signature black and white wig

Two years on, Sia kept her edgy platinum cut, but opted for a pared-down beauty look.

The chandelier star's complexion however appeared slightly tauter.

December 2013 saw Sia then switch up her look to much longer tresses.

Tresses: In November 2010, the chart-topping star was spotted with a blunt platinum cut with bangs, and a less radiant complexion

The more relaxed hairdo drew attention to the personality's radiant complexion.

Sia usually goes to extreme lengths to hide her identity.

She previously revealed she purposely conceals her face behind wigs and over-sized hats in order to keep her privacy.

Minor touches? 'I'm not going to do any kind of whacky stuff, I am still going to look like a human being,' Sia candidly added. Pictured in November 2010

Candid: 'I am going to do prosthetics, so I'm going to alter my face slightly, so you can't really peg if I have had surgery, if I have had a little bit of weird surgery,' Sia revealed. Pictured in September 2012

However in an interview with 2DayFM in April 2015, she told then hosts Maz Compton and Dan Debuf​ that she was ready to ditch the iconic wig.

'As I had hoped and planned, it's the blonde bob that's become iconic,' she said, adding that her new look would be inspired by her album, This Is Acting.

'I am going to do prosthetics, so I'm going to alter my face slightly, so you can't really peg if I have had surgery, if I have had a little bit of weird surgery.

Another look: December 2013 saw Sia then switch up her look to much longer tresses

'I'm not going to do any kind of whacky stuff, I am still going to look like a human being,' Sia candidly revealed.

Meanwhile, early last year, Sia revealed why she chose to cover her face with headwear during James Corden's Carpool Karaoke Skit.

She said: 'I don't wear this thing unless there are cameras around. Just trying to maintain a modicum of privacy.'

Meanwhile, at LAX airport this week, the singer-songwriter was radiant, dressed in a casual ensemble, before her flight to Dubai, where she is scheduled to perform on Saturday night.

Concealed: Sia usually goes to extreme lengths to hide her identity. She previously revealed she purposely conceals her face behind wigs and over-sized hats in order to keep her privacy

Sia displayed her remarkably youthful features at LAX, styling her blonde hair loosely and in a middle parting.

Her trademark short bob was traded for a sleek, long do in a honey shade instead of its usual platinum.

She wore a midriff sweatshirt and beige Kenzo track pants, finishing off her look with a pair of white sneakers.

The Elastic Heart singer, who has battled Graves disease in the past, looked absolutely glowing.