Kylie Jenner happily joins BFF Sofia Richie on a private jet to Vegas for her 21st... as birthday girl rolls up in new $250K Aston Martin from Scott Disick

She received a $250,000 customized 2018 Aston Martin from her boyfriend, Scott Disick, 36, for her birthday.

But that was just the beginning of the fun for Sofia Richie on Saturday, seen rolling up in her new ride ahead of a private jet ride to Vegas with BFF, Kylie Jenner. 

The 21-year-old opted for a matching pink set and was greeted by the 22-year-old ahead of the big day and night ahead.  

Time to get the party started: Kylie Jenner appeared very happy to join her best friend, Sofia Richie, on Saturday ahead of a private jet ride to Vegas to ring in her 21st birthday in style

Time to get the party started: Kylie Jenner appeared very happy to join her best friend, Sofia Richie, on Saturday ahead of a private jet ride to Vegas to ring in her 21st birthday in style

Take on the utility trend like Kylie in a Gucci playsuit

Kylie has just got back from her own 22nd birthday, soaking up the sun on the Amalfi Coast. She's not been home in LA long, and she's already jetting of to Las Vegas - this time to celebrate pal Sofia Richie's 21st. What a lucky lady.

Of course, Kylie Jenner was flying in style. Stepping onto her private jet, the beauty mogul opted for a utility-style playsuit from Gucci.

It's a RTW piece from the Italian label's recent collection and can still be shopped online. Click right to try one for yourself. While the original is slightly oversized, Kylie got hers tailored perfectly to hug her figure, giving it a more glamorous edge.

This luxurious piece is made from a chic wool silk material and features the fashion house's iconic GG logo on a matching belt.

Love the look but don't want to break the bank? Head to the edit below for a roundup of our favourite takes on the utility trend. Pair yours with chunky trainers for everyday, or dress up with strappy sandals for a night out.

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Sofia wore a Chanel pink cropped top and shorts that drew attention to her toned and lean physique. 

She teamed the look with matching sneakers and added some long extensions to her hair to create a high ponytail. 

Kylie was also dressed in designer to no surprise, rocking a Gucci romper that hugged her enviable figure. 

Casual chic: Sofia wore a Chanel pink cropped top and shorts that drew attention to her toned and lean physique

Casual chic: Sofia wore a Chanel pink cropped top and shorts that drew attention to her toned and lean physique

Form-fitting: Kylie was also dressed in designer to no surprise, rocking a Gucci romper that hugged her enviable figure

Form-fitting: Kylie was also dressed in designer to no surprise, rocking a Gucci romper that hugged her enviable figure

The world's youngest billionaire styled her dark tresses out straight and appeared in very high spirits as she ran out from the plane to Sofia's car to wish the birthday girl in person. 

Sofia videoed the makeup mogul and posted in on her social media. It's now been deleted.  

Joining the girls was Kylie's assistant, Victoria Villarroel, and pal, Anastasia Karanikolaou, who spent the time on the jet getting her eyelashes infilled. 

Not wasting any time: Joining the girls was Kylie's assistant, Victoria Villarroel, and pal, Anastasia Karanikolaou, who spent the time on the jet getting her eyelashes infilled

Not wasting any time: Joining the girls was Kylie's assistant, Victoria Villarroel, and pal, Anastasia Karanikolaou, who spent the time on the jet getting her eyelashes infilled

Big night ahead: Arriving in Vegas, the ladies appeared thrilled to be in the party capital

Big night ahead: Arriving in Vegas, the ladies appeared thrilled to be in the party capital 

Refreshing: Heading down to the bar, the party began as they enjoyed a light bite while sipping on some cocktails

Refreshing: Heading down to the bar, the party began as they enjoyed a light bite while sipping on some cocktails

The ladies all arrived at the Wynn Hotel in Las Vegas in style with the venue leaving an array of gifts for the birthday girl. 

Heading down to the bar, the party began as they enjoyed a light bite while sipping on some cocktails. 

While it's not certain whether it's just a girl's tip to Vegas and if others will follow, boyfriend Scott ensured he at least spent the morning with his girlfriend, gifting her a Aston Martin sports car. 

The 21-year-old model took to social media bright and early to reveal her boyfriend had gifted her with a customized Aston Martin DB11 which costs upwards of $250,000.  

Birthday girl! Sofia Richie got a customized $250,000 Aston Martin for her 21st birthday from boyfriend Scott Disick on Saturday

Birthday girl! Sofia Richie got a customized $250,000 Aston Martin for her 21st birthday from boyfriend Scott Disick on Saturday

Sofia shared the black sports car on her social media account, captioning it: 'Holy s**t!!!! 21!' 

The car was sitting in her driveway with a large red bow on the top.  

The vehice is to believed to have been taken from Calabasas Luxury Motorcars - a place which Scott reportedly has shares in. 

It's not sure if the car is Sofia's to keep or has been leased out for just a short time.  

In another video, she shared the customized interior that was complete with orange leather seats. 

Splashed the cash! In another video, she shared the customized interior that was complete with orange leather seats

Splashed the cash! In another video, she shared the customized interior that was complete with orange leather seats

Surprise! The car was sitting in her driveway with a large red bow on the top

Surprise! The car was sitting in her driveway with a large red bow on the top

'Wow wow wow [sic] best bf award,' she wrote as she opening the door. 

Sofia's smooth new drive was all orange from the inside, including the steering wheel, dashboard and glove compartments. 

And while her new car is something many won't even get to test drive in their lifetime, that wasn't the only car she received on Saturday. 

While she didn't detail who had given it to her, she shared that she had also received a new Range Rover.

Let the day begin! Sofia's smooth new drive was all orange from the inside, including the steering wheel, dashboard and glove compartments

Let the day begin! Sofia's smooth new drive was all orange from the inside, including the steering wheel, dashboard and glove compartments

Two cars in one day! While she didn't detail who had given it to her, she shared that she had also received a new Range Rover

Two cars in one day! While she didn't detail who had given it to her, she shared that she had also received a new Range Rover

While it's not known how much customization was done for the popular A-list car, the Range starts at a hefty $91,000. 

'New range. Ok I'm good #21.'  

And the surprises didn't stop there, with Sofia treated to a romantic breakfast when she returned back inside. 

Rose petals were effortlessly thrown all over the table with an array of fresh food was prepared and ready. 

Breakfast is served! And the surprises didn't stop there, with Sofia treated to a romantic breakfast when she returned back inside

Breakfast is served! And the surprises didn't stop there, with Sofia treated to a romantic breakfast when she returned back inside

1998 baby! Despite her mature persona on social media, Sofia is only 21

1998 baby! Despite her mature persona on social media, Sofia is only 21

The model had her choice of scrambled eggs, pancakes, strips of bacon, strawberries, blueberries - that were stylized into the shape of her initial, cake, some tea and a probiotic drink. 

It's set to be a big day ahead for the star who is now of age to be able to enjoy an alcoholic beverage.

The celebrations are expected to continue for Sofia throughout the day and into the night. 

Sofia and Scott have been dating since September 2017 despite their 15 year age-gap.  

Going strong: Sofia and Scott have been dating since September 2017 despite their 15 year age-gap

Going strong: Sofia and Scott have been dating since September 2017 despite their 15 year age-gap

Kylie Jenner happily joins BFF Sofia Richie on a private jet to Vegas for her 21st birthday

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