Reality star Khloe Kardashian has reportedly but the brakes on her four-month relationship with NBA star James Harden in the wake of former husband Lamar Odom's collapse at a Nevada brothel

Khloe Kardashian has put her relationship on hold as she stays by former husband Lamar Odom‘s side, new reports claim.

The Keeping Up With The Kardashian’s star rushed to be with former NBA star Lamar when he was hospitalised in Las Vegas after collapsing in a Nevada brothel last week.

MORE: Khloe Kardashian and Lamar Odom: A love story in pictures

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And now her devotion to her ex has caused Khloe to put the brakes on her relationship with new boyfriend, James Harden – another NBA star.

Sources close to Khloe revealed the news to gossip site TMZ, with one telling the website: ‘It doesn’t take a rocket scientist to see she still has deep feelings for Lamar. ‘

Reports that Khloe was dating the Houston Rockets star first circulated in June when the pair were spotted getting close at a party hosted by Chris Brown.

But Lamar has never been far from Khloe’s thoughts.

‘I will never, ever not love Lamar,’ she told E! in April. ‘I was so obsessed with him in a healthy way. He was my husband, and I still wish he was, and I don’t think there’s anything wrong with that.’

And her love for Lamar still clearly runs deep.

Khloe has reportedly refused to leave Lamar, spending every night faithfully at his bedside whilst the other Kardashians and the Jenner sisters shuttled between Las Vegas and LA.

Doctors feared the worst when Lamar was first admitted to hospital last week, with reports suggesting he was in a coma and suffering from organ failure.

But he took a big step towards his recovery on Friday, waking from his coma and even speaking to Khloe.

The 35-year-old basketball player gave his estranged wife a thumbs up and said ‘hey, baby’ before going back to sleep, a source told E! News.

The good news continued to come, with reports this morning claiming Lamar had been from the Vegas hospital to a facility in LA where he will receive specialist treatment – with Khloe firmly at his side.