Watch an Adorable Throwback of 11 Year-Old Hayden Panettiere Singing Britney Spears

We've seen Hayden Panettiere grow before our eyes. From the young rambunctious Sheryl Yoast in Remember the Titans to now a Nashville star. She's been entertaining us on the big screen for over a whopping 15 years, so when a clip of her singing Britney Spears during an interview with Rosie O'Donnell when she was 11 is a huge blast from the past. It feels like it was only yesterday. Where did the time go?

Watch the clip here.