AP Photo/Ancestry.com
Lady Gaga, also known as Stefani Germanotta, is shown with her father during a dance her senior year at Convent of the Sacred Heart School in New York in 2004. This is one of several images of celebrities shown before they became famous included in Ancestry.com's U.S. School Yearbook Collection.
Keep clicking to see more stars in their yearbook photos.
AP Photo/Ancestry.com
Actor Ryan Reynolds, top left, is shown during his junior year at Kitsilano Secondary School in Vancouver, British Columbia, in 1993.
ROBYN BECK/AFP/Getty Images
Actor Ryan Reynolds arrives at the world premiere of "The Change-Up" at the Village Theatre in Los Angeles, California on Aug. 1, 2011.
AP Photo/Ancestry.com
Actress Scarlett Johansson is shown decorating a Christmas tree during her senior year at New York's Professional Childrens School in 2002.
AP Photo/Ancestry.com
Actor Bradley Cooper is shown during chemistry class in his junior year at Germantown Academy in Fort Washington, Pa., in 1992.
Jason Merritt/Getty Images
Actor Bradley Cooper at the Los Angeles premiere of "The Hangover" at Grauman's Chinese Theatre on June 2, 2009, in Hollywood, Calif.
