Just a couple of days after his birthday, Cody Tweeted, "At dinner with the mate Greyson Chance!" And Greyson followed up by posting a photo of the two pals (above) on his Facebook.
Check out this video of Cody and Greyson braving a high-flying ride at Cody's birthday bash:
Are you fans of Greyson and Cody? Which celeb friends are your favorite?
Photo: Courtesy of Greyson Chance's Facebook