Gilda's Club announces gift certificate packages for Laugh Fest go on sale at 9a.m. Friday December 10.

The non-profit that helps with cancer support groups and grief counseling in Grand Rapids has added several more headliners to the cast of performers for the first Laugh Fest festival of laughs next March.

Two improv stars from the hit show "Whose Line is it Anyway?" have been added: Colin Mochrie and Brad Sherwood.

The festival is scheduled from March 10 to 20, 2011, at more than 20 sites around the city.

Organizers had previously announced the addition of Grand Rapids native and Christian artist Michael Jr. plus Margaret Cho, Rachel Feinstein, Myq Kaplan, Roy Wood Jr., Alan Zweibel, The Bob & Tom Show Comedy All-Stars Showcase and a Baby Loves Disco dance party to those headliners previously announced -- Mike Birbiglia, Bill Cosby, Kevin Hart, Kathleen Madigan, Chonda Pierce, Betty White and Dan Zanes & Friends.

Ticket packages will go on sale Dec. 10 followed by individual tickets on Jan. 14.

Please see www.laughfestgr.org for more information.