Supermodel Heidi Klum might be the next celebrity to star in Sia's upcoming music video.

The Project Runway host shared a photo of her wearing Sia's trademark blonde bob wig via Twitter, thus giving a clue that she is currently shooting scenes for the singer's next music video, according to Yahoo New Zealand.

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"Can you guess for who I am shooting a new music video?"tweeted the 'Project Runway' host.

Klum's appearance might be the second time Sia hired a celebrity to replace her in a music video. 'Fury' and 'Transformers' star Shia LaBeouf made his appearance in Sia's music video, 'Elastic Heart'

The camera shy singer,renowned for revealing less of herself at events and concerts with the use of the blond wig.

The 39 year old singer explained that she wants to handle her music career in a different manner for the purpose of peacefulness.

The fans reached out to the singer, saying that she doesn't need to be shy about coming out to the public due to her appearance.

In response, 'Chandelier' singer verbalized that she maintains anonymity not for the reason that she looks undesirable, but to have more control over her image and preserve privacy at the same time.

The singer also elucidated the pressures of maintaining an ideal image should she conform to the norm of most musical artists.

Sia's early beginnings rose from working as a singer in a local jazz band called Crisp.

 Sia also served as a background vocalist in the band Jamiroquai during her migration to London.

Her first single, 'Taken For Granted' landed a number 10 spot on the UK singles chart.

After four years of working as a recording artist, Sia retired and opted to become a songwriter instead.

'Titanium' was initially written for Alicia Keys but went to David Guetta instead. David Guetta then incorporated the singer's demo vocals on the song and it became a worldwide hit.

Sia released her sixth studio album last 2014, which included the Grammy hit, 'Chandelier'

TagsSia, Music Video, heidi klum