Karen McCullah Lutz co-wrote the movies Legally Blonde starring Reese Witherspoon, 10 Things I Hate About You starring Julia Stiles and Heath Ledger and She's the Man starring Amanda Bynes and Channing Tatum. She currently has movie projects in development at Paramount, Columbia, Universal, New Line and Intermedia.

The Bachelorette Party, published by St. Martin's Press, is her first novel.

Karen is a graduate of James Madison University in Virginia. Before becoming a screenwriter and novelist, her careers included marketing for an investment firm, public relations for environmental non-profits, painting furniture that she sold in galleries in New Mexico, travel writing, and teaching creative workshops to teen gang members.

Karen has lived in the Philippines, Maryland, Japan, New Jersey, Virginia, New Mexico, and Colorado. She moved to Los Angeles nine years ago after the sale of her first script and currently resides in the Hollywood Hills with her husband Walter and her dog Millie. When not writing, she hikes, surfs and travels. She also wastes several hours a day checking her email and watching soap operas.