She prefers nights in with her children to the party scene, but Kourtney Kardashian made an exception on Sunday to celebrate her partner Scott Disick’s 30th birthday.

The reality TV star, 34, looked proud as she walked the red carpet in Las Vegas in a peacock inspired outfit which featured a teal lace top and black and green feathered skirt.

Celebration: Kourtney Kardashian joined Scott Disick as he celebrated turning 30 at Hyde Bellagio in Las Vegas on Sunday

In full plume: The star wore a peacock inspired outfit of teal, black and green

She wore her hair in a topknot with a fringe along with blue eye-liner to match her outfit.

The couple, who have a son Mason, 4, and daughter Penelope, who turns one in July, were celebrated at Hyde at the Bellagio hotel.

Scott was dressed to impress in black tie attire.

While most of the Kardashian clan skipped the festivities, Kris Jenner showed her support by attending the party.

Mommy dearest: Kris Jenner showed her support while wearing a Chanel bag similar to one Kim recently carried

The 57-year-old wore a sequinned little black dress along with a Chanel Lego handbag.

Rob was at the party too, but raced along the red carpet without stopping to pose for photographers.

It was a surprisingly shy move for the 26-year-old, who had been hamming it up for the cameras just 24 hours earlier while promoting his new sock line in Sin City.

Inside the club Scott took inspiration from Kanye West by rapping at the deejay booth and later attempted to serenade his girlfriend, according to Us Weekly.

‘It was tough to understand what he was saying as he was rapping to music, but it looked like he was just enjoying the moment,’ the onlooker told the publication.

Why so shy: Rob Kardashian didn’t stop to pose for pictures on the red carpet

The couple smiled and giggled throughout the night and even put on a show of PDA.

‘She was sitting on his lap at one point during the evening and the two genuinely appeared to be in love and appreciative of one another,’ the insider added. continued.

While Khloe and pregnant Kim were absent, they did send birthday messages to Scott via Twitter.

Khloe, 28, posted a picture of her with Scott, adding:  ‘Happy birthday to letthelordbewithyou we have come a long way my friend! I love you!’

Kim tweeted a vintage snap of herself with Scott, Kourtney and Khloe, adding: ‘OMG I almost died when I saw this! 2006 throwback! This one’s for you Scott!’

While Scott has at times avoided Vegas because he struggles to control his drinking, it seems he enjoyed his time in Sin City.

After the party, he tweeted: ‘Thank you @hydebellagio @sbenightlife for a great #vegasbirthday!’

‘This one’s for you Scott!’: Kim posted this 2006 throwback snap

‘We’ve come a long way’: Khloe tweeted this picture along with a birthday message

Read more: Daily Mail