World Cup’s ‘hottest fan’ Ivana Knoll in tears as she leaves Qatar after becoming huge Instagram sensation

, while she was at the International airport in Doha, she was wearing a Croatia shirt and looked visibly upset.

Ivana accompanied the video with the message: "Leaving Doha is so hard for me.

"Mixed with happiness, sadness, and confusion all together, will miss this place so much".

Ivana caught the attention of the world with her unique way of showing her love for nation's side.

And many of her fans praised her for her achievements during the World Cup.

One wrote: "You came to Qatar as a model and left an international Super Star".

A second commented: "Thank you Ivana for representing our beautiful country with love and proud".

A third added: "You are the best Croatian woman I've ever seen".

However, she did not get to see her team in the final as they were knocked out by eventual winners Argentina.

Despite Qatar's modesty rules, she wore bras, chequered dresses and tight leggings to stadiums, leaving little for her fans to imagine.

As Croatia's biggest fan, she has never feared the local police claiming her dress sense does not hurt anyone.

She has seen her social media following increase by millions during the World Cup, she now boasts 3.4million followers on Instagram.

The red and white costumes became popular with the paparazzi and other supporters as she posed for selfies with them.