What happens in Vegas! Birthday girl Charlotte McKinney parties with rumoured former flame Scott Eastwood in Sin City

They furiously denied rumours that there was romance on the cards between them in October - stating they've always been good friends.

And being a close pal, Scott Eastwood was sure to lend his support to Charlotte McKinney on her mammoth 23rd blowout in Las Vegas over the weekend.

Taking a break from his duties promoting Suicide Squad, the 30-year-old actor was seen partying up a storm with Charlotte before walking the actress through her hotel.

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Just friends: Having maintained they're just friends, Scott Eastwood was sure to lend his support to Charlotte McKinney on her mammoth 23rd blowout in Las Vegas over the weekend

Just friends: Having maintained they're just friends, Scott Eastwood was sure to lend his support to Charlotte McKinney on her mammoth 23rd blowout in Las Vegas over the weekend

Clearly keen to help the model and actress - whom he was linked to last autumn - celebrate her birthday in style, Scott looked to be in very high spirits.

Having partied the night away in the hotel Wynn's exclusive and luxurious nightclub, Intrigue, the duo looked to be have thoroughly enjoyed themselves.

Flashing a wry grin, Scott - Clint Eastwood's son with Jacelyn Reeves - led the blonde Baywatch star through the expansive corridors of the luxury hotel where she is staying.

Charlotte looked happy enough to let the Suicide Squad star lead the way, and followed the rising Hollywood action hero closely. 

Some star support: Taking a break from his duties promoting Suicide Squad, the 30-year-old actor was seen partying up with Charlotte before walking the actress through her hotel

Some star support: Taking a break from his duties promoting Suicide Squad, the 30-year-old actor was seen partying up with Charlotte before walking the actress through her hotel

It appeared Charlotte had gone for a sassy twist on a fashion staple, with the blonde beauty wearing an off-the-shoulder LBD.

Slipping her lithe and curvaceous form into the tiny dress, the Baywatch actress looked incredible in the thigh-grazing number.

Featuring shoulder length gauntlets, attached to the low-cut Bardot neckline, the blonde beauty made sure that she sizzled under the spotlights in Sin City.

She added a pair of matching knee-high boots to her look, which helped the Florida-born beauty to accentuate her gym-honed pins.

Not the birthday girl! Despite the rumours about their connection in the autumn of 2015, it seemed that Scott was keen to cosy up to another blonde during Charlotte's celebrations

Not the birthday girl! Despite the rumours about their connection in the autumn of 2015, it seemed that Scott was keen to cosy up to another blonde during Charlotte's celebrations

One big party: The model and actress, who is due to star in the Flatliners reboot, has been celebrating her birthday in style in the city - accompanied by a large group of friends

One big party: The model and actress, who is due to star in the Flatliners reboot, has been celebrating her birthday in style in the city - accompanied by a large group of friends

Wearing her long blonde hair in tumbling tresses down around her shoulders, Charlotte - who previously dated Stephen Dorff - looked the epitome of a bombshell.

Scott meanwhile cut a smart figure in a pair of chinos that he teamed with a navy shirt.

The chiseled star, who plays Lieutenant GQ Edwards in DC comic flick Suicide Squad, cut a chiseled figure and went clean shaven with his hair gelled into a quiff.

The model and actress, who is due to star in the Flatliners reboot, has been celebrating her birthday in style in the city - accompanied by a large group of friends.

Big kiss: The actress has been keeping her fans up-to-date with the celebrations via social media

Big kiss: The actress has been keeping her fans up-to-date with the celebrations via social media

But despite the rumours about their connection in the autumn of 2015, it seemed that Scott was keen to cosy up to another blonde beauty during Charlotte's celebrations in the club.

In October UsWeekly reported the pair had started dating, with photos of the two silver screen stars walking side by side in Malibu emerging just one day later.

However, the rumours were quickly quashed when a source disclosed there was nothing remotely romantic about the outing, or their realtionship.

'They are definitely not dating,' a source close to Scott told ET.com at the time. 'They've hung out a couple of times – they barely know each other yet. [It's] Nothing serious at all.'

The Hollywood actor strolled shirtless, wearing striped board shorts as he spoke on the phone. 

Before they were first spotted together, the Charlotte had previously dated  Blade actor Stephen Dorff. 

'They are definitely not dating': In October UsWeekly reported the pair had started dating, which was tehn furiously denied by a source close to Scott at the time

'They are definitely not dating': In October UsWeekly reported the pair had started dating, which was tehn furiously denied by a source close to Scott at the time

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