Naomi Campbell and Lewis Hamilton have set tongues wagging.

The Formula 1 bachelor, 22, went out with the 37-year-old supermodel on Tuesday night following a sexy photoshoot.

They attended a gala dinner in North London and reportedly left early to go to the China Tang Restaurant in London's posh Dorchester Hotel.

They managed to evade photographers until Streatham-born Naomi hung out of their car window to smoke a cigarette.

The pair met at the GQ Man of the Year awards and last month Naomi flew out to Brazil to see Lewis finish second in the Formula One Championship.

Naomi's spokeswoman insists she isn't dating Lewis, saying: "They are just friends. Naomi did a photoshoot in the afternoon with him, and they decided to go to the event together in the evening along with Lewis' dad."

Lewis was rumoured to be romancing Pussycat Dolls singer Nicole Scherzinger earlier this year after they met at the MTV Europe Music Awards.