Washington [US], November 1 (ANI): Pop star Justin Bieber and his model-entrepreneur wife Hailey Bieber welcomed their first child Jack Blues Bieber, in August. On Halloween, Hailey shared a glimpse of baby Jack on Instagram, according to People. Taking to the official Instagram handle, Hailey posted a photo of son Jack Blues. In the picture, he can be seen sitting in a baby carrier with his tiny feet peeking out. In the picture, Jack is dressed in a magenta onesie and has an “I Voted” sticker on one foot. Hailey Bieber captioned the picture, “Happy Halloween! Get out there and vote” Justin an…