Christian's followers were quick to comment on his new look, with many of his A-list pals praising the star's transformation.
"So good," wrote The Voice host Renee Bargh, while celebrity stylist Lana Wilkinson commented, "Wow 🔥🔥."
Even Richard commented on the new pic, writing, "Hooley dooley."
His fans were clearly loving the platinum vibes, with one hilarious comment reading, "Lucius Malfoy leaves the Death Eaters to become sultry Byron Instagram blogger", while another exclaimed, "Omg you’re not even the same person!!"
And in response to one fan who commented, "WAIT WHAT?!" Christian jokingly replied, "I needed a subtle change."