Kim and Kourtney Kardashian were peak 90s in a throwback snap.

The 42-year-old SKIMS mogul and her 43-year-old older sister – who were recently featured in a stunning family Christmas portrait – were featured in a throwback snap posted by Kourtney’s lifestyle brand Poosh on Tuesday.

The sisters were the perfect picture of 1990s fashion as they each sported pencil-thin eyebrows and spaghetti strap dresses.

Bond: Kim and Kourtney Kardashian were featured in a throwback snap posted by Kourtney’s lifestyle brand Poosh on Tuesday

Kim and Kourtney wrapped their arms around one another in the cute snap.

The younger sister added a bit more fashionable flair to her ensemble as she had her raven-colored locks in a messy bun featuring teal colored butterfly clips.

Her make-up was complete with on-trend teal colored eyeshadow as she also sported a shimmering lip.

In the details: The younger sister added a bit more fashionable flair to her ensemble as she had her raven-colored locks in a messy bun featuring teal colored butterfly clips

Vibes: The eldest Kardashian sister wore her black locks down as her make-up was finished off with shiny brown lip

Kim’s dress was teal whole Kourtney sported a black number.

The eldest Kardashian sister wore her black locks down as her make-up was finished off with shiny brown lip.

There was also a snap of Kim posed up with Kourtney’s BFF and Poosh CEO Sarah Howard.

Sarah was also peak 90s in a silver spaghetti strap dress with medium-length hair and shiny lip.

The images were posted on the Poosh instagram with the caption: ‘Before we look forward to 2023, we’re going back…way back…to the ’90s. We tapped @aamesjbraham from @90sanxiety to help curate the ultimate NYE ’90’s movie list.

Dynamic duo: There was also a snap of Kim posed up with Kourtney’s BFF and Poosh CEO Sarah Howard

‘Poosh the link in our bio plan your marathon. #pooshtheboundaries’

Meanwhile Kim hared a stunning family portrait with her four sisters and mom Kris Jenner from her family’s annual Christmas Eve party on Monday afternoon.

Days after each of the reality stars made headlines with their stunning gowns at the lavish red-themed holiday bash, the reality star shared two slideshows to Instagram, full of behind-the-scenes photos from the celebration.

Among the beautiful shots was one of Kim standing next to her siblings Khloé Kardashian, Kris, Kourtney, and half-sisters Kendall and Kylie Jenner.

Beautiful! Kim shared a stunning family portrait with her four sisters and mom Kris Jenner from her family’s annual Christmas Eve party on Monday afternoon