Ashley Judd attends a basketball game at her alma mater, the University of Kentucky, where she got an undergraduate degree in French. She later completed a master's degree in public administration at Harvard's John F. Kennedy School of Government. James Crisp/AP

Celebrities aren't just pretty faces. Many of them have some pretty big brains to go along with all that fame. Emma Watson, for example, received her degree in English literature from Brown University. (No word on whether she studied the Harry Potter books.) Here are some other stars who have mastered matriculation. Michael Loccisano/Getty Images for the 2014 Tribeca Film Festival

Actress Lupita Nyong'o, who won an Academy Award for her work in "12 Years A Slave," has a master of fine arts from the Yale School of Drama. Larry Busacca/Getty Images

James Franco has a bachelor's degree from UCLA and a master's in fine arts from Columbia University, and he is pursuing a Ph.D. in English from Yale. Frazer Harrison/Getty Images

Mayim Bialik doesn't just play a genius on "The Big Bang Theory." She also triple majored as an undergrad at UCLA in Hebrew, Jewish studies and neuroscience and then earned a Ph.D. in neuroscience. Frazer Harrison/Getty Images

That's Ken Jeong, M.D.: The "Hangover" star has a medical degree from the University of North Carolina at Chapel Hill and has been a practicing physician. ROBYN BECK/AFP/Getty Images

Actor and author Hill Harper holds a bachelor's degree from Brown University, a juris doctorate from Harvard Law School and a master's in public administration from Harvard University. Paul Morigi/Getty Images for Ovation

Dolph Lundgren has played brawny lunkheads in a few films, but in real life he has a master's degree in chemical engineering from the University of Sydney in Australia. Jason Merritt/Getty Images

Bad Religion singer Greg Graffin double-majored in anthropology and geology at UCLA and went on to earn a master's in geology and a Ph.D. from Cornell University. Kevin Winter/Getty Images

Porn star Ron Jeremy completed an undergraduate degree in education and obtained a master's degree in special education from Queens College in New York. Mark Mainz/Getty Images

Model Christy Turlington Burns has a bachelor's degree in comparative religion and Eastern philosophy from New York University and a master's in public health from Columbia University. Cindy Ord/Getty Images for 54 Below

Brian May of Queen completed a Ph.D. in astrophysics at Imperial College London. Christopher Polk/Getty Images for Clear Channel

Angela Bassett honed her acting skills at Yale, where she graduated with a degree in African-American studies from Yale College and a master's degree from Yale School of Drama. Frederick M. Brown/Getty Images

Singer Art Garfunkel earned a bachelor of arts degree from Columbia College and later a master's degree in mathematics at Columbia University. Getty Images

Actor David Duchovny went all-Ivy League with a bachelor's English literature from Princeton University and master's in the same subject from Yale University. Albert L. Ortega/Getty Images

Bill Cosby has been a huge proponent of education and walks the walk. He holds a bachelor's degree from Temple University as well as a master's and doctorate in education from the University of Massachusetts Amherst. STAN HONDA/AFP/Getty Images

Dexter Holland of the Offspring has both a bachelor's and a master's in molecular biology from the University of Southern California. Joshua Blanchard/Getty Images

They don't call him "The Philosopher" for nothing. Shaquille O'Neal is best known for his basketball skills, but after promising his mother he wouldn't neglect his education, he earned an undergraduate degree at Louisiana State University, an MBA online through the University of Phoenix and an Ed.D. in human resources from Barry University. Thearon W. Henderson/Getty Images