Jessie J sets pulses racing in daringly low-cut jumpsuit at Brazilian Grand Prix

You might put the drivers off! Jessie J sets pulses racing in daring jumpsuit… as Bernie Ecclestone is in direct line of her cleavage

Fashion hit or miss Jessie J visits the paddock as part of the F1 Rocks event during practice for the Brazilian Formula One Grand Prix

Fashion hit or miss Jessie J visits the paddock as part of the F1 Rocks event during practice for the Brazilian Formula One Grand Prix

Famous friends: Jessie J and Macy Gray meet F1 supremo Bernie Ecclestone

Famous friends: Jessie J and Macy Gray meet F1 supremo Bernie Ecclestone

I could get used to this! Jessie J looks elated to be posing with drivers Bruno Senna and Vitaly Petrov

I could get used to this! Jessie J looks elated to be posing with drivers Bruno Senna and Vitaly Petrov

All I want for Christmas is a racing car: Jessie J and Macy Gray look impressed as they have a tour of the paddock

All I want for Christmas is a racing car: Jessie J and Macy Gray look impressed as they have a tour of the paddock

Slimline: Jessie showed off her tiny waist and thighs as she took to the stage for the F1 Rocks gig

Slimline: Jessie showed off her tiny waist and thighs as she took to the stage for the F1 Rocks gig

Power vocals: Macy Gray performs during the F1 Rocks event in Sao Paulo ahead of the Brazilian Grand Prix

Power vocals: Macy Gray performs during the F1 Rocks event in Sao Paulo ahead of the Brazilian Grand Prix

Makes a change from singing: Jessie J looks ready for the stage, despite having a day off from performing

Makes a change from singing: Jessie J looks ready for the stage, despite having a day off from performing