Kendall Jenner and Hailey Bieber meet up for a Pilates class in LA # KendallJenner #HaileyBieber Photos: Backgrid

Kendall Jenner & Hailey Bieber Kick Off the New Year at Pilates Class: Photo 4686037, Hailey Baldwin, Hailey Bieber, Kendall Jenner Photos

Kendall Jenner Teams Up With Hailey Bieber For Early Pilates Class in LA: Photo 1309221, Hailey Bieber, Kendall Jenner Pictures

Kendall Jenner and her best friend Hailey Bieber are seen leaving a hot pilates class in LA

Kendall Jenner and Hailey Bieber meet up for a Pilates class in LA # KendallJenner #HaileyBieber Photos: Backgrid

Kendall Jenner & Hailey Bieber Kick Off the New Year at Pilates Class: Photo 4686054, Hailey Baldwin, Hailey Bieber, Kendall Jenner Photos

Kendall Jenner and Hailey Bieber were spotted leaving a Pilates class together on Thursday. More pics on our site! #KendallJenner #Hailey

Kendall Jenner & Hailey Bieber Hit Up Pilates Class Together: Photo 4836902, Hailey Bieber, Kendall Jenner Photos

Kendall Jenner attends Pilates class and visits a hair salon with her BFF Hailey Bieber

Kendall Jenner and her best friend Hailey Bieber are seen leaving a hot pilates class in LA

Kendall Jenner and her best friend Hailey Bieber are seen leaving a hot pilates class in LA

Kendall Jenner and Hailey Bieber meet up for a Pilates class in LA # KendallJenner #HaileyBieber Photos: Backgrid

Hailey Bieber and Kendall Jenner were spotted at a Pilates class on Monday afternoon after spending New Year's weekend. #HaileyBieber #