The 13-year-old, who was sent to the ICU following a nasty boogie boarding accident in Malibu, was officially discharged into his parents care on Monday night (July 25).
Revealing the news via her Twitter page, elated mom Maria wrote, "Blessed to be able to take Christopher out of the hospital last night. What a feeling of relief to know that he's going to be fine."
Shriver later added, "I will forever be grateful to the amazing doctors, nurses and hospital staff in the ICU who helped my son."
Arnold also took to the social media site to thank the those who helped Chris on his journey back to health, tweeting, “I knew Christopher couldn’t be stopped! Big thanks to all the doctors, nurses & staff at UCLA that helped him recover.”