Kim Kardashian Supports Sister Kendall Jenner by Sipping on Her Smoothie at Erewhon

Kim Kardashian supported her sister Kendall Jenner in a delicious way.

The mom of four, 43, was spotted sipping on Jenner's Erewhon Peaches & Cream smoothie while running errands with a friend on Thursday, June 13 in a shopping center in Calabasas, Calif.

Kardashian wore gray sweats and a matching gray tank top on the outing and was carrying a fuzzy yellow cross-body bag.

Jenner, 28, launched the Peaches & Cream smoothie with the upscale supermarket chain on Wednesday, May 15. The beverage is made with ingredients like organic peaches, maple syrup, goji berries, and coconut milk. It also has a base of GT's Living Foods Peach Paradise kombucha and their non-dairy peach nectarine coconut yogurt.

A portion of proceeds from the drink are donated to the Good Shepherd Shelter.

The PEOPLE Puzzler crossword is here! How quickly can you solve it? Play now!

Kardashian's outing comes as the reality star is in the midst of a casual, makeup-free, bra-less phase. She was spotted in a similar look two days before in Los Angeles on Tuesday, June 11.

Jenner proudly sipped on her smoothie in an Instagram Story when the drink launched in May, More recently she was spotted in Puerto Rico on a date night with Bad Bunny. (Multiple sources confirmed to PEOPLE that the pair is back on.)

Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer, from celebrity news to compelling human interest stories. 

Before Puerto Rico, Kendall spend some time with her sister Kylie Jenner in Mallorca, Spain, where she also had a bit of an au natural fashion moment similar to her sister. The 818 Tequila founder went braless and ditched pasties under a high-neck, sheer mermaid bodycon gown while relaxing on a yacht.

"I love when you show the Nips. Best nips in town," their sister Khloé Kardashian wrote under the post on Kendall's Instagram photos.