Justin Bieber has his model wife to thank for helping to clear up his acne-prone skin by “pickin’ and prodding” at his pimples.Earlier this year, the Yummy hitmaker revealed a secret battle with Lyme disease had wreaked havoc on his complexion, which had also suffered due to stress and anxiety as doctors struggled to pinpoint the cause of his health woes.However, the pop superstar has now found his own skincare expert in Hailey Bieber, who has been honing her own beauty skills by trying various products on his face to find out what works.In a new episode of the couple’s Facebook Watch series The Biebers on Watch, Justin says, “She’s been pickin’ and prodding at my skin.