Arnold Schwarzenegger photobombed his son Patrick Shriver while he was unconscious and recovering from surgery at the hospital. The 20-year-old model shared a photo of the moment Wednesday, telling fans that the surgery had been a success. Successful surgery. Praying for fast recovery. Thanks @Schwarzenegger with this photo bomb while I was knocked out pic.twitter.com/fW2Ck9hCaX— Patrick Shriver (@PSchwarzenegger) April 16, 2014 While it's still unclear what Shriver was in surgery for, he seems to be in good spirits as he's continued to tweet photos from bed and give thanks to "the best nurse ever," his mother, Maria Shriver. No one puts my socks and shoes on better than @mariashriver hahha. Love u mamma— Patrick Shriver (@PSchwarzenegger) April 17, 2014