Ms. Bossypants sure is powerful. Tina Fey is the most powerful actress is the business, according to The Hollywood Reporter's list of most power women in entertainment. Fey comes in at No. 42, behind a lot of studio heads and executives that aren't household names. Only four other actresses made the list -- Jennifer Lawrence, Kristen Stewart and Meryl Streep (who tied for 50) and Lena Dunham, who rounded out the list at No. 100.