posted a photo revealing that she had started high school.“Your yearly reminder that you’re getting old,” wrote Talerico, 14, in the caption. “First day of high school!!!”In the photo, Talerico is seen standing outside of her California home while wearing a black top and matching pants and shoes, holding a sign that says “first day of 9th grade 8-21-23.”Talerico, who appeared as the titular character in the Disney series “Good Luck, Charlie,” went viral at a young age when one savvy web user turned a seemingly unremarkable shrug into a widely-used reaction meme.Several of Talerico’s fans commented on the post claiming that they now felt extremely old.