Justin Bieber and his wife, Hailey Bieber, are always showing love to one another on social media--but they’re also known to show some serious PDA in real life.On Thursday, August 5, the married couple was spotted holding hands while taking a walk after finishing up a meal in Montecito, the popular celeb-filled neighborhood in Santa Barbara, California.For their casual outing, Justin sported a white long-sleeve polo shirt which was embellished with several colorful stripes and some low-waisted