With a total of 10 seasons to its name,<br />‘Friends’ starred a number of other well-known<br />celebrities you may not have recognized. In honor of the show’s 25th anniversary,<br />here are 10 celebrities that made guest<br />appearances on ‘Friends.’ <br />1. George Clooney <br />2. Jennifer Coolidge<br />3. Dakota Fanning<br />4. Danny DeVito<br />5. Jane Lynch <br />6. John Stamos<br />7. Winona Ryder <br />8. Ben Stiller <br />9. Julia Roberts<br />10. Brad Pitt