Pink's husband, Carey Hart, is recovering after going under the knife. The 40-year-old singer took to Instagram on Wednesday to wish her husband well after he underwent rotator cuff surgery.Alongside a sweet message to the father of her children — Willow, 9, and Jameson, 3 — Pink shared a pic of a shirtless and mask-wearing Carey, 45, in a hospital bed post-surgery.«My man baby.