Lewis Hamilton is planning to bend on one knee and propose to Pussycat Dolls lead singer Nicole Scherzinger, according to reports.

Although the couple have been on and off for the past few years, insiders believe the 25-year old Formula One racer is ready to take the relationship to the next level.

"Lewis has really grown up over the last few years, and has a clear vision of where he wants to be and who he wants to be with," said one friend.

"Nicole is the one person he wants with him all the time. They have had some tough times but he knows that she is 'The One' and wants to spend the rest of his life with her.

"He has always wanted to pop the question in the UK, where it means something to him."