Scott Disick had the funniest reaction to Sofia Richie's latest sexy Instagram post

Scott Disick is a fan of girlfriend Sofia Richie's latest Instagram post.

The model, who just turned 21 in August, took to the social media platform on Thursday to post a photo of herself wearing nothing but high-waisted jeans. In the sultry snap, Richie hugs her chest in order to not show off too much skin as she looks directly into the camera.

View this post on Instagram

How’s your Thursday?

A post shared by Sofia Richie (@sofiarichie) on

"How's your Thursday?" she captioned the post nonchalantly.

Well, for her 36-year-old boyfriend, the photo certainly improved his day -- at least judging by the comment he posted on her photo.

"It’s not bad thanks," the "Flip It Like Disick" star responded.

The playful exchange on Instagram comes less than a week after Richie made her official debut alongside Disick on "Keeping Up With the Kardashians." In the episode, Disick's ex, Kourtney Kardashian, 40, with whom he shares three children, invites Richie to their family trip to Finland in an effort to let her know that she's welcome into their family.

Sofia Richie and Scott Disick were first romantically connected in May 2017, making their relationship Instagram official several months later, in October 2017.

See photos of Scott and Sofia together:

39 PHOTOS
Sofia Richie and Scott Disick together
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Sofia Richie and Scott Disick together
Happy Birthday babe! Thank you for being you. Love you
3rd wheeling
Happy Valentines babe 🌹
I’m on a whole new year vibe
The boat is way 2 long we had 2 chop it
Ready for 2018
Run away with it
LOS ANGELES, CA - DECEMBER 13: Sofia Richie and Scott Disick are seen on December 13, 2017 in Los Angeles, California. (Photo by Bauer-Griffin/GC Images)
MIAMI, FL - DECEMBER 08: Sofia Richie and Scott Disick are seen during Art Week Party at Sugar Factory American Brasserie on December 8, 2017 in Miami, Florida. (Photo by Alexander Tamargo/Getty Images for Sugar Factory)
MIAMI, FL - DECEMBER 08: Sofia Richie and Scott Disick are seen during Art Week Party at Sugar Factory American Brasserie on December 8, 2017 in Miami, Florida. (Photo by Alexander Tamargo/Getty Images for Sugar Factory)
MIAMI BEACH, FL - DECEMBER 06: Scott Disick and Sofia Richie attend DuJour's Jason Binn And WellNEST Celebrate Miami Beach's Art Basel Kick-Off at The Confidante on December 6, 2017 in Miami Beach, Florida. (Photo by Andrew Toth/Getty Images for Dujour)
MIAMI BEACH, FL - DECEMBER 07: (L-R) Sofia Richie, Scott Disick and Alec Monopoly attend Haute Living's VIP Pop-Up opening of Alec Monopoly from Art Life and David Yarrow from Maddox Gallery at Fleur De Lis Ballroom, Fontainebleau Miami Beach on December 7, 2017 in Miami Beach, Florida. (Photo by Romain Maurice/Getty Images for Haute Living)
LOS ANGELES, CA - OCTOBER 31: Sofia Richie and Scott Disick are seen on October 31, 2017 in Los Angeles, CA. (Photo by SMXRF/Star Max/GC Images)
LOS ANGELES, CA - SEPTEMBER 15: Sofia Richie and Scott Disick are seen on September 15, 2017 in Los Angeles, California. (Photo by BG002/Bauer-Griffin/GC Images)
🌱
Scott + Sofia Richie spotted at a hotel in Miami on Thursday❤️
Scott + Sofia spotted on a beach in Miami on Saturday😍😍
LOS ANGELES, CA - SEPTEMBER 15: Sofia Richie and Scott Disick are seen on September 15, 2017 in Los Angeles, California. (Photo by BG002/Bauer-Griffin/GC Images)
Scott + Sofia Richie spotted at a hotel in Miami on Thursday❤️
NEW YORK, NY - SEPTEMBER 07: (L-R) Scott Disick, Sofia Richie and Josie Marie Canseco attend Kith Sport fashion show during New York Fashion Week at the Classic Car Club on September 7, 2017 in New York City. (Photo by Chance Yeh/Getty Images)
Scott + Sofia out in Miami yesterday💖
NEW YORK, NY - MAY 23: Scott Disick and Sofia Richie (L) seen out and about in Queens on May 23, 2019 in New York City. (Photo by Robert Kamau/GC Images)
NEW YORK, NY - MAY 23: (L-R) Scott Disick and Sofia Richie seen out and about in Queens on May 23, 2019 in New York City. (Photo by Robert Kamau/GC Images)
LOS ANGELES, CA - MAY 15: Scott Disick and Sofia Richie are seen on May 15, 2019 in Los Angeles, California. (Photo by BG002/Bauer-Griffin/GC Images)
LOS ANGELES, CALIFORNIA - APRIL 25: Scott Disick and Sofia Richie attend ASOS celebrates partnership with Life Is Beautiful at No Name on April 25, 2019 in Los Angeles, California. (Photo by Presley Ann/Getty Images)
SAN DIEGO, CALIFORNIA - FEBRUARY 14: Scott Disick and Sofia Richie celebrate Valentine's Day at San Diego's new Theatre Box® Entertainment Complex with dinner at Sugar Factory American Brasserie at Theatre Box® on February 14, 2019 in San Diego, California. (Photo by Joe Scarnici/Getty Images for Theatre Box)
SAN DIEGO, CALIFORNIA - FEBRUARY 14: Scott Disick and Sofia Richie celebrate Valentine's Day at San Diego's new Theatre Box® Entertainment Complex with dinner at Sugar Factory American Brasserie at Theatre Box® on February 14, 2019 in San Diego, California. (Photo by Joe Scarnici/Getty Images for Theatre Box)
SAN DIEGO, CALIFORNIA - FEBRUARY 14: Scott Disick and Sofia Richie celebrate Valentine's Day at San Diego's new Theatre Box® Entertainment Complex with dinner at Sugar Factory American Brasserie at Theatre Box® on February 14, 2019 in San Diego, California. (Photo by Joe Scarnici/Getty Images for Theatre Box)
SAN DIEGO, CALIFORNIA - FEBRUARY 14: Scott Disick and Sofia Richie celebrate Valentine's Day at San Diego's new Theatre Box® Entertainment Complex with dinner at Sugar Factory American Brasserie at Theatre Box® on February 14, 2019 in San Diego, California. (Photo by Joe Scarnici/Getty Images for Theatre Box)
LAS VEGAS, NV - JANUARY 04: Sofia Richie and Scott Disick dine at Sugar Factory American Brasserie at Fashion Show Mall on January 4, 2019 in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage)
WEST HOLLYWOOD, CALIFORNIA - NOVEMBER 16: Scott Disick (L) and Sofia Richie at the VIP Exhibit Preview for "Street Dreams" on November 16, 2018 in West Hollywood, California. (Photo by Rodin Eckenroth/Getty Images)
MELBOURNE, AUSTRALIA - NOVEMBER 03: Scott Disick & Sofia Richie arrive for Derby Day at Flemington Racecourse on November 3, 2018 in Melbourne, Australia. (Photo by Scott Barbour/Getty Images)
MELBOURNE, AUSTRALIA - NOVEMBER 01: Scott Disick and and Sofia Richie make a store appearance at Windsor Smith at Chadstone Shopping Centre on November 1, 2018 in Melbourne, Australia. (Photo by Scott Barbour/Getty Images)
MALBU, CA - MAY 05: (EXCLUSIVE COVERAGE) Sofia Richie and Scott Disick are seen on May 05, 2018 in Malibu, California. (Photo by JB Lacroix/GC Images)
LOS ANGELES, CA - MAY 05: (EXCLUSIVE COVERAGE) Sofia Richie and Scott Disick are seen in Malibu on May 05, 2018 in Los Angeles, California. (Photo by JB Lacroix/GC Images)
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