THERA's emotional homecoming Rising Czech star THERA was watched by her family and friends at Prague's O2 Arena this week. 5 March 2026 THERA found it emotional performing in front of her family at her huge homecoming show in Prague on Monday (02.03.26). THERA on stage The 18-year-old rising star has been supporting Jason Derulo on the European leg of his The Last Dance world tour, and while she showed no sign of nerves on stage at the O2 Arena in the city, the Czech singer admitted she got overwhelmed when she spotted her grandparents in the crowd.