Article continues below advertisementHailey Bieber was less business, more about her bikini while debuting Rhode in Australia.The model, 29, stripped down to a strapless yellow two-piece in a makeup-free mirror selfie on Wednesday, February 11.Bieber captured the photo using the viral Rhode Lip Case as she posed in the bathroom of her hotel room, with scenic views of Sydney in the background. Her hair was slightly damp, and she accessorized with small gold hoop earrings.