Credit: Instagram/@haileybieber; Harley Weir/FILA Hailey Bieber poses for her Fila collaboration campaign in a black windbreaker and a matching skirt. | Credit: Instagram/@haileybieber; Harley Weir/FILA In another snapshot,

Hailey Bieber never misses an opportunity to flex. Bieber, 28, showed off her abs via Instagram ahead of her Fila x Hailey collab launch party on Tuesday, February 25. In the mirror selfie, she flexed her toned body while rocking a Fila hoodie featuring a fitted bodice,

Set to drop March 6, this collaboration won't be Bieber's first time working with the Seoul-based athleisure label. After appearing in a self-styled, '90s inspired shoot—with su