The 35-year-old Jamiroquai front man, a renowned car lover, will join fellow musicians John Legend and Nick Mason (Pink Floyd) as well as Olympic gold medallists Michael Johnson and Sir Steve Redgrave on the grid at Sakhir.
Kay is no stranger to the F1 paddock and has an extensive collection of exotic cars, which at one time or another has included the Ferrari F40, F50 and currently an Enzo.
Now he'll be driving a 380bhp Chevrolet V8 SS Lumina along with all the celebrities who will share a car with a professional for 10 laps.
There will be two races, one on Saturday and one before the grand prix.
Each event will consist of 16 cars with the professional drivers starting and completing the first five laps of the track before a pit stop swap with their celebrity partners for the remainder of the race.
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