 In 2019, Stormzy achieved his first UK number-one single with "Vossi Bop" and his headline appearance at the 2019 Glastonbury Festival was widely praised; he wore a Union Jack stab vest designed by Banksy, in light of the rise in knife crime in London.His second album, "Heavy Is the Head", was released on 13 December 2019.Also known for his controversial and outspoken comments on UK politics, Stormzy endorsed Labour Party leader Jeremy Corbyn in 2016.