Kylie Jenner shares a sweet snap of daughter Stormi with gal pal Hailey Bieber in an infinity pool

Kylie Jenner shares a sweet snap of daughter Stormi swimming with gal pal Hailey Bieber in an infinity pool

They are best friends frequently seen out on the town together. 

And on Tuesday, Kylie Jenner snapped her gal pal Hailey Bieber in an infinity pool, as Hailey smiled while holding Kylie’s two-year-old daughter Stormi Webster.

Hailey, 23, and the little tot were teeny in the picture, silhouetted against the sunset against a lovely view. 

On Tuesday: Kylie Jenner snapped her gal pal Hailey Bieber in an infinity pool, as Hailey smiled while holding Kylie’s two-year-old daughter Stormi Webster

Jenner, also 23, added the image to her Instagram Stories, tagging Bieber with minuscule white writing near the center of the photo. 

Their chill hangout came after a big party-filled weekend, during which Kylie’s older Kendall Jenner celebrated her 25th birthday.

Kylie took the opportunity on Tuesday, which was Kendall’s actual birthday, to flood her Instagram Stories with images of the sibling pair. 

Sweet: Jenner, also 23, added the image to her Instagram Stories, tagging Bieber with minuscule white writing near the center of the photo

Sweet: Jenner, also 23, added the image to her Instagram Stories, tagging Bieber with minuscule white writing near the center of the photo

Besties: Kylie and Hailey are best friends frequently seen out on the town together; seen here in April 2016

Besties: Kylie and Hailey are best friends frequently seen out on the town together; seen here in April 2016

Mom and daughter: Stormi is Kylie's child with on-off ex Travis Scott

Mom and daughter: Stormi is Kylie’s child with on-off ex Travis Scott

Many of the snaps were nostalgic shots of the girls from when they were little, in princess costumes and sitting in laundry baskets.

Jenner also announced Tuesday that Kylie Cosmetics would be restocking the brand’s highly sought-after Kendall x Kylie Collection, in honor of her sister’s special day.

‘Happy Birthday @kendalljenner! ✨ Kendall Collection RESTOCK coming this Wednesday 11/4 at 9am pst to celebrate @kendalljenner’s birthday!’ read the post, along with various photos of the glam duo. 

Also on Tuesday: Kylie took the opportunity to wish sister Kendall a happy birthday, and flooded her Instagram Stories with images of the sibling pair

Also on Tuesday: Kylie took the opportunity to wish sister Kendall a happy birthday, and flooded her Instagram Stories with images of the sibling pair 

Promo: Jenner also announced Tuesday that Kylie Cosmetics would be restocking the brand's highly sought-after Kendall x Kylie Collection, in honor of her sister's special day

Promo: Jenner also announced Tuesday that Kylie Cosmetics would be restocking the brand’s highly sought-after Kendall x Kylie Collection, in honor of her sister’s special day

Hailey also got in on wishing Kendall a happy birthday, on her own Instagram Stories.

Sharing several snaps of the friendly pair enjoying themselves, the wife of Justin Bieber called Kendall ‘a special birthday lady’ over one spread of bikini selfies.

Another one showed the pair in a gorgeous black and white portrait, underneath the playful phrase, ‘we do birfffdays’. 

Special friends: Hailey also got in on wishing Kendall a happy birthday, on her own Instagram Stories on Tuesday

Special friends: Hailey also got in on wishing Kendall a happy birthday, on her own Instagram Stories on Tuesday

Having fun: Sharing several snaps of the friendly pair enjoying themselves, the wife of Justin Bieber included a gorgeous black and white portrait

Having fun: Sharing several snaps of the friendly pair enjoying themselves, the wife of Justin Bieber included a gorgeous black and white portrait