Who’s excited for baby Bieber?! On Saturday, August 3, Justin Bieber, 30, shared a series of photos alongside his pregnant wife, Hailey Bieber, 27, as they kissed each other and cradled her baby bump. In the images, Hailey wore a skintight red dress to show off her stomach along with yellow heels, a “B” necklace and her classic slicked back bun. Meanwhile, Justin sported black and white loafers, a black shirt, baggy khaki shorts and a gray hat. In some of the snaps, the duo — who tied the knot in 2018 — smooched as Hailey held her growing belly. Fans of the duo, who are eagerly awaiting the bi…