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LISBON, PORTUGAL - MAY 8, 2018: Singer Netta Barzilai (C) representing Israel in the first semifinal of the 63rd edition of the 2018 Eurovision Song Contest at Lisbon Arena. Vyacheslav Prokofyev/TASS (Photo by Vyacheslav Prokofyev\TASS via Getty Images)

LISBON, PORTUGAL - MAY 8, 2018: Singer Netta Barzilai (C) representing Israel in the first semifinal of the 63rd edition of the 2018 Eurovision Song Contest at Lisbon Arena. Vyacheslav Prokofyev/TASS (Photo by Vyacheslav Prokofyev\TASS via Getty Images)

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Singer Eleni Foureira of Cyprus performs during the first semi-final of the 2018 Eurovision Song Contest, at the Altice Arena in Lisbon, Portugal on May 8, 2018. ( Photo by Pedro Fiúza/NurPhoto via Getty Images)

Singer Eleni Foureira of Cyprus performs during the first semi-final of the 2018 Eurovision Song Contest, at the Altice Arena in Lisbon, Portugal on May 8, 2018. ( Photo by Pedro Fiúza/NurPhoto via Getty Images)

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LISBON, PORTUGAL - MAY 8, 2018: Singer Ryan O'Shaughnessy representing Ireland holds up an Irish national flag in the first semifinal of the 63rd edition of the 2018 Eurovision Song Contest at Lisbon Arena. Vyacheslav Prokofyev/TASS (Photo by Vyacheslav Prokofyev\TASS via Getty Images)

LISBON, PORTUGAL - MAY 8, 2018: Singer Ryan O'Shaughnessy representing Ireland holds up an Irish national flag in the first semifinal of the 63rd edition of the 2018 Eurovision Song Contest at Lisbon Arena. Vyacheslav Prokofyev/TASS (Photo by Vyacheslav Prokofyev\TASS via Getty Images)

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LISBON, PORTUGAL - MAY 06: Isaura and Claudia Pascoal of Portugal attends the red carpet before the Eurovision private party on May 6, 2018 in Lisbon, Portugal. (Photo by Pedro Gomes/Getty Images)

LISBON, PORTUGAL - MAY 06:  Isaura and Claudia Pascoal of Portugal attends the red carpet before the Eurovision private party on May 6, 2018 in Lisbon, Portugal.  (Photo by Pedro Gomes/Getty Images)

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Singer Franka of Croatia performs during the first semi-final of the 2018 Eurovision Song Contest, at the Altice Arena in Lisbon, Portugal on May 8, 2018. ( Photo by Pedro Fiúza/NurPhoto via Getty Images)

Singer Franka of Croatia performs during the first semi-final of the 2018 Eurovision Song Contest, at the Altice Arena in Lisbon, Portugal on May 8, 2018. ( Photo by Pedro Fiúza/NurPhoto via Getty Images)