Pop icon Madonna has penned a birthday message to her son Rocco Ritchie on his 23rd birthday and shared a montage of pictures of the mother and son.

The 64 year old, who is recovering from a major health scare, said that she was extremely proud of her son, who she shares with her ex-husband, director Guy Ritchie as she posted adorable snaps of her son over the years with her and his five siblings.