What do “30 Rock’s” Tina Fey, “Desperate Housewives’” Eva Longoria and “Law & Order: SVU’s” Mariska Hargitay have in common?

Answer: The three actresses are among television’s highest-paid female stars, reports Forbes.com.

Both Fey and Longoria earned $13 million between May 2010 and May 2011, the story says. Like Longoria, the other female stars of "Desperate Housewives" also rank on Forbes’ list, with Marcia Cross coming in third with $10 million, and Felicity Huffman and Teri Hatcher tied for fifth place with $9 million each, the piece notes.

Mariska Hargitay of "Law & Order: SVU" and Marg Helgenberger of "CSI" tied Cross for third place, with each of the women earning $10 million, the story notes.

The piece explains that it came up with its estimates by talking with lawyers, producers and agents to find out how much each star made per episode, as well as from syndication deals and endorsements.