Adriana Lima took to Instagram on Thursday to share her struggle as a 'hard working model', sharing a make-up free selfie in the process.

The 34-year-old model showed off her natural beauty as she posted a lengthy rant about her career, all the while insisting that she wasn't complaining.

She wrote: 'This is not a complaint, just sharing a little bit of my life. Sometimes, people question, that model life is easy, and that's wrong, we work as hard as any other individual.

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Honest account: Adriana Lima took to Instagram on Thursday to share her struggle as a 'hard working model', while sharing a make-up free selfie

'Today I had 10 hours of work day, shooting with a very bad cold, coughing no stop and a massive headache. That did not stopped me on doing what I love.

'I finished, went to airport, to come back home to see my 2 princesses. Arriving there, my flight was over 3 hours delayed. I fly from NYC to Miami. Just waked home 2am. Happy to be here. [sic].

'And wanted to share the face of a hard working model, and share that I am not the only one that works this hard. Thank you. And I hope my message don't get misunderstand. Love u all.'

Hard worker: [Pictured at the Victoria's Secret show], she said: 'This is not a complaint, just sharing a little bit of my life. Sometimes, people question, that model life is easy, and that's wrong'

With her brunette locks tied up in a tousled up do, the stunner looked tired as she posed in a simple black top and a light-coloured scarf.

The jet-setter has a busy schedule and was pictured at the IWC Gala in Geneva, Switzerland on Tuesday.

Adriana recently gave an interview with Vogue magazine, in which she divulged some of her beauty secrets.

'Happiness is the best beauty trick,' she said when asked what advice she would like to pass on to her children.

She also revealed that 'coconut water is her ultimate beauty secret.'

Adriana's words came as she starred in the campaign for Marc Jacob's latest fragrance, entitled Decadence.