By Caitlyn Becker For Dailymail.com
Published: 19:09 BST, 3 May 2019 | Updated: 19:14 BST, 3 May 2019
Kourtney Kardashian is re-purposing her stockpile of social media photos for her lifestyle website Poosh.
The 40-year-old's latest post about a 10 minute upper body workout routine was paired with a sizzling flashback photo with her sister Kim which was shared on Poosh's Intagram on Friday.
In the shot, Kim, 38, and Kourtney look like twins positioned back-to-back on the beach wearing skimpy black bikini's and giant clear yellow visors.
Sister, sister: Kourtney Kardashian re-purposed a sizzling flashback bikini shot with sister Kim from 2018 for her website Poosh on Friday
The photo was first seen in April of 2018 from their trip to Turks & Caicos and the Dior visors the girls were seen sporting became their accessory du jour for the moment.
Now, Kourtney has revived the shot to tout a new workout routine on her website that was created by her own personal trainer Amanda Lee.
The site is posting short exercise regimes dedicated to parts of the body for those who are short on time or 'simply don’t have the energy for a full-blown workout session.'
The Poosh founder shared a second bikini shot on the site showing her flashing some underboob in the sand in a black two-piece in front of a blazing sun.
Stunning! Kourtney also shared this shot in a skimpy black string bikini to promote the 10 minute