Sofia Richie, 20, exhibits her toned frame in TINY bandeau top and clinging mini skirt as she steps out with beau Scott Disick, 36, in Portofino

They have joined the Kardashian-Jenner family to celebrate Kylie Jenner's 22nd birthday in Europe.

And Sofia Richie looked incredible as she joined boyfriend Scott Disick for a loved-up stroll in Portofino, Italy on Tuesday.

The model, 20, exhibited her toned frame in an scanty bandeau top and matching mini skirt as she took in the sights with her reality star beau, 36.

Wow: Sofia Richie looked incredible as she joined boyfriend Scott Disick for a loved-up stroll in Portofino, Italy on Tuesday

Wow: Sofia Richie looked incredible as she joined boyfriend Scott Disick for a loved-up stroll in Portofino, Italy on Tuesday

Hot stuff: The model, 20, exhibited her toned frame in an scanty bandeau top and matching mini skirt as she took in the sights with her reality star beau, 36

Hot stuff: The model, 20, exhibited her toned frame in an scanty bandeau top and matching mini skirt as she took in the sights with her reality star beau, 36

Sofia's tiny frilled top showcased her ample bust, jaw-dropping abs and slender waist as she held hands with hunky Scott - who is the ex partner of Kourtney Kardashian.

The star also drew the eye to her peachy derriere and lean legs in a matching elasticated mini skirt. 

She completed her ensemble with tan Grecian-inspired sandals and a matching suede bag.

Her caramel tresses were pulled into a stylish bun while she shielded her eyes from the sun with a pair of chic shades.  

Toned: Sofia's tiny frilled top showcased her ample bust, jaw-dropping abs and slender waist as she held hands with hunky Scott - who is the ex partner of Kourtney Kardashian

Toned: Sofia's tiny frilled top showcased her ample bust, jaw-dropping abs and slender waist as she held hands with hunky Scott - who is the ex partner of Kourtney Kardashian

Looking good: Scott kept it casual in a dove grey t-shirt and teal shorts, teamed with chestnut loafers as he admired his stunning girlfriend

Looking good: Scott kept it casual in a dove grey t-shirt and teal shorts, teamed with chestnut loafers as he admired his stunning girlfriend

Chatty: The couple looked happy and relaxed as they sat in boat and took in the scenic views
Chatty: The couple looked happy and relaxed as they sat in boat and took in the scenic views

Chatty: The couple looked happy and relaxed as they sat in boat and took in the scenic views

Pert: Sofia revealed her pert derriere as she climbed out of a boat with Scott by her side

Pert: Sofia revealed her pert derriere as she climbed out of a boat with Scott by her side

Scott kept it casual in a dove grey t-shirt and teal shorts, teamed with chestnut loafers as he admired his stunning girlfriend. 

Her caramel tresses were pulled into a stylish bun while she shielded her eyes from the sun with a pair of chic shades. 

Scott recently heaped praise on his girlfriend for her great support she gave him while working on his new show, Flip It Like Disick, branding her 'unbelievable'. 

He added to US Weekly: ''She's not really into architecture really, per se, so it's different in that, but she and I have a great rapport.' 

Chat: Scott recently heaped praise on his girlfriend for her great support she gave him while working on his new show, Flip It Like Disick, branding her 'unbelievable'

Chat: Scott recently heaped praise on his girlfriend for her great support she gave him while working on his new show, Flip It Like Disick, branding her 'unbelievable'

Sweet: Sofia was seen carrying a young child as she explored the popular holiday destination
Stylish: The couple looked effortlessly stylish for their fun outing

Sweet: Sofia was seen carrying a young child as she explored the popular holiday destination

Chic: Sofia added some chic accessories such as black Chanel sunglasses and brown leather strappy sandals

Chic: Sofia added some chic accessories such as black Chanel sunglasses and brown leather strappy sandals 

Smitten: The couple looked loved-up and smitten as they walked hand-in-hand around the Italian holiday destination
All aboard: They were later seen getting onto a yacht

Smitten: The couple looked loved-up and smitten as they walked hand-in-hand around the Italian holiday destination 

Though they have great communication, the couple share different tastes in in home design.

'She likes a little bit more country, but I'm building houses to sell, not to live in,' he added.     

Scott and Kourtney, 40, dated for nine years on and off from 2006 to 2015, and share have three children, Mason, nine, Penelope, seven, and Reign, four. 

Shopping: They were seen doing a spot of shopping during their day out

Shopping: They were seen doing a spot of shopping during their day out 

Toned: Sofia showcased her washboard abs and toned figure in a white cropped bandeau top

Toned: Sofia showcased her washboard abs and toned figure in a white cropped bandeau top 

Details: She teamed the item of clothing with a matching high-waisted bodycon skirt
Holiday: The couple have been travelling across Italy for Kylie Jenner's 22nd birthday

Details: She teamed the item of clothing with a matching high-waisted bodycon skirt

Sofia Richie, 20, exhibits her toned frame in bandeau top as she steps out with Scott Disick, 36

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