After bursting onto the scene when she was just 15 years old with her debut single "Candy," Mandy Moore has basically grown up in the spotlight. She's toured with bands like *NSYNC and the Backstreet Boys, starred in movies like A Walk to Remember and The Princess Diaries, and participated in amazing '90s events like MTV's Spring Break. Thankfully, the This Is Us actress loves to frequently relive those days (and a few hilarious moments from her childhood) on Instagram. Mandy has blessed fans with photos of everything from really bad hairstyles to hanging out with Justin Timberlake. Keep reading to see every single gem that basically gives her the title of Throwback Queen.