US singer-songwriter Olivia Rodrigo supported Chelsea at Stamford Bridge during the football club’s first Premier League game of the season against Liverpool on Sunday.The 20-year-old Deja Vu singer confirmed it was the first football match she had seen but said she had “the best time”.After the match, she posed at the London football ground with Chelsea defender Ben Chilwell, who presented her with a blue number eight football shirt embossed with her last name.