in early 2014 she contacted aurora media and was invited for screen tests for the company's television coverage of the electric motor racing series formula e. shields was confirmed as the series pit lane reporter in april of that year. she later said that she had to get involved upon hearing about the series from a contact at renault as it consisted of two of her main hobbies, cars and science. in september, she married her partner of four years mark sainthill in a ceremony held in ibiza. shields is the host of the "cnn international" technology and electric racing show "supercharged" which first aired on 13 february 2016. she was announced as the host of the lowcvp low carbon champions awards which took place on 13 september. shields's other work include hosting the goodwood festival of speed on "itv4" and presented the formula kart stars on "sky sports f1". she has written articles for "the times", "london evening standard" and "cnn.com". her first child, a boy, due to be born in june 2019, was born three weeks early via caesarean section in may.