The on-off couple met up in London

Lewis Hamilton and Nicole Scherzinger have fuelled speculation that they’re back together after a late night meeting at Nicole‘s hotel.

F1 driver Lewis, 28, was spotted arriving with his dog Roscoe at the Park Plaza Westminster Bridge in London on Monday night within minutes of Nicole.

The hush-hush rendezvous was exposed when Lewis‘s car broke down as he tried to make a quiet exit seven and a half hours later at 3am.

They were determined to keep the meeting under wraps, which is why they chose a hotel that isn’t used much by celebrities,’ says a source.

Nicole will be livid Lewis‘s car broke down because that’s what meant their cover was blown. He had to get out to let the mechanics sort out the issue.

There’s something that keeps pulling them back together. Lewis even took his dog Roscoe so Nicole could see it.’

Lewis openly spoke of his heartbreak following the couple’s split in July by dedicating one of his Grand Prix wins to Nicole and even posting lovelorn messages on Twitter.

And it seems that X Factor judge Nicole, 35, has been struggling just as much.

Nicole hasn’t been able to properly operate without Lewis,’ the source tells The Sun.

Some days it was a battle for her to even get out of bed.’

Both stars have kept quiet about the alleged hook-up but Lewis did speak of his excitement about returning to Europe on Monday, Tweeting that it was ‘great to be back’ after a disappointing race weekend in Japan.

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Anna Francis