Just as I was starting to feel comfortable trusting Miley Cyrus to act her age, and not suspecting that any of the Jonas Brothers would take a public misstep, I was thrown for a furious loop when I saw a photo (courtesy of TMZ) and a video (PerezHilton.com) of 16-year-old Nick Jonas driving 16-year-old Miley Cyrus in his vintage Mustang.