Eurovision 2017: Germany entry accused of copying David Guetta and Sia song 'Titanium'

Viewers noticed the song bears a striking similarity to the 2011 track

(Getty Images)

Germany's caused a controversy at this year's Eurovision song contest after the country's entrant performed a song which many viewers believed has copied a song made famous by David Guetta and Sia.

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The country's song, titled 'Perfect Life' and sung by Levina, bears a strong similarity to 2011 track 'Titanium.'

People took to Twitter in their droves to point out the similarity.

Portugal emerged victorious at this year's ceremony having been the longest-running entrant to have never won, beating Bulgaria and Moldova.

UK's entry Lucie Jones finished in 15th place with her ballad 'Never Give Up On You' after impressing critics and viewers alike.

Croatia - whose performance saw singer Jacques Houdek perform what looked like a duet with a giant VT version of himself - finished in 13th place.

Earlier in the evening, Graham Norton - who provided the evening's commentary - paid another fitting tribute to Eurovision legend Terry Wogan who sadly passed away in 2016.