Fans adore Katherine Heigl, but the 27-year old actress isn't feeling the love from the network that broadcasts her hit show.

A source tells People that Heigl has dropped out of contract talks with the producers of Grey's Anatomy over salary.

"Katie is disappointed and hurt that Touchstone doesn't value her as much as her other co-stars, especially Sandra Oh and Isaiah Washington," the source says.

Heigl plays Dr. Isobel "Izzie" Stevens on the ABC hit medical drama.

A rep for ABC Touchstone TV declined comment. We will have more information on this situation as it develops. Presumably, Katherine has merely postponed contract negotiations until a later date, and is not necessarily planning to leave Grey's Anatomy. Hopefully, the sides will come together and this member of the terrific ensemble cast will be retained.

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.