TEENAGE geeks: Reese Witherspoon walked to her all-girls school with zit cream on her face, hair in rollers. Beyonc was so shy that she always looked at the ground and never spoke up in class. Colin Farrell had a crush on Marilyn Monroe: "I was obsessed. Even though she was dead, I'd talk to her." Frankie Munoz "loved" the smell of school. Justin Timberlake won his high school spelling bee. Justin Guarini said his mom made him hold up the newspaper to the video camera the first day of every school year. I don't understand that, but it's what he says.