United Kingdom, Feb. 10 -- Lewis Hamilton has been spending "as much time as possible" with Kim Kardashian ahead of the start of the Formula 1 season - and her mother "really approves" of their romance.

The pair made their first public appearance alongside one another at last weekend's Super Bowl, at the Levi's Stadium in Santa Clara, California, after they were previously romantically linked.

And it's now said Lewis, 41, has been spending a lot of time with The Kardashians star, 45, in Los Angeles before the new F1 season kicks off in March.

A source said: "Kim and Lewis's relationship is intense but they are both keen to keep moving forwards.

"He wants to spend as much time with her as possible, especially as he'll be back getting r...