It's no secret that Dylan O'Brien consistently brings the laughs as the eternally lovable Stiles on Teen Wolf [1], but he was serving giggles long before he hit the small screen. That's right, we're talking about Dylan's stint on an even smaller screen: his hilarious old YouTube channel [2]! While the account is filled to the brim with gems, we're taking a moment to call out one of our favorite old videos: his epic Spice Girls lip-sync. Watch the superfunny video above, and then check out the best Instagram snaps of the entire Teen Wolf cast [3].