Article continues below advertisementHailey Bieber is winding down summer with her favorite people.The model, 28, ditched her bra in a cleavage-baring floral tank in a photo posted on Monday, August 25.Bieber stunned in a series of casual looks alongside her husband, Justin, and best friend Kendall Jenner.Article continues below advertisementSource: @haileybieber/InstagramHailey Bieber rocked several looks in her latest photo dump.In one snapshot, Hailey relaxed on a lounge chair by the pool, with her new Rhode Lemontini lip case positioned at her side.