Kendra Wilkinson. Paul Archuleta/Getty Images Kendra Wilkinson and ex-husband Hank Baskett’s son, Hank IV, has grown up before our eyes. “Congratulations @hank_baskett12 I love you so much and watched you work hard to get to where you are,” Wilkinson, 38, wrote via Instagram on Wednesday, April 24. “I’m so proud of you my boy. Keep…