Rupert Grint introduces cute brother, James at F1 party with Tamara Ecclestone and Tess Daly

Harry Potter's Rupert Grint has been shunning the showbiz life opting to stay out of the Hollywood limelight unlike his friends and former co-stars Emma Watson and Daniel Radcliffe.

But there now looks like a reason for Rupert Grint to partake in a celebrity lifestyle as he lets younger brother, James take centre stage.

[Related story: Rupert Grint hits the Harry Potter studio tour premiere]
[Related story: 10 reasons to fancy Rupert Grint]

The siblings sexed up F1's party last night as the duo descended upon Battersea Evolution in London with Rupert in a camouflage shirt worked with a black suit while James wore a grey jacket with a white shirt and black trousers.

For those who aren't au fait with the Grint family, (and no, we don't mean the Weasleys) James, 21 is a rally driver who has his hopes set on being a world champion in the sport.

Watch out Lewis Hamilton!

For his big debut James rubbed shoulders with racing royalty Tamara Ecclestone who glittered in a gold long-sleeved dress worked with a hot pink clutch bag and matching gold shoes.

Family TV's finest, Tess Daly and hubbie Veron Kay also hit the party with the Strictly presenter looking red hot in a short 50s style dress complete with Victoria Beckham inspired fishtail plait.

Also in attendance was Louis Spence who worked his magic in front of the lens.