Geri Halliwell as a former Spice Girl, but she's also racing royalty!The singer makes a rare dramatic turn in the upcoming film, a movie based on the popular series of racing video games, and the real-life story of Jann Mardenborough, a teenage gamer who aspires to be an actual race car driver. It's a setting Halliwell was more familiar with than some might expect. Since 2015, she's been married to Christian Horner, the team principal of the Red Bull Racing Formula One team.«She's a familiar face in the [racing] world,» co-star Orlando Bloom noted when ET's Cassie DiLaura joined the cast on the set of the upcoming film.