Marg Helgenberger gets a star

Actress Marg Helgenberger wipes tears from her eyes at her Hollywood Walk of Fame induction ceremony on Jan. 23, 2012, in Hollywood, Calif. Helgenberger, one of the original stars of "CSI: Crime Scene Investigation," is leaving the show. Her last episode airs Wednesday, Jan. 25, 2012.

Photos: Marg Helgenberger

Actress Marg Helgenberger and her son, Hugh Rosenberg, attend her Hollywood Walk of Fame induction ceremony on Jan. 23, 2012, in Hollywood, Calif.

Photos: Marg Helgenberger

Marg Helgenberger is joined by "CSI" castmates at her Hollywood Walk of Fame star ceremony on Jan. 23, 2011, in Los Angeles. From left are Wally Langham, Archie Kao, David Berman, Robert David Hall, Ted Danson, Marc Vann, Liz Vassey, Eric Szmanda, Jorja Fox, Elisabeth Harnois and Jon Wellner.

Photos: Marg Helgenberger

Actress Marg Helgenberger poses with "CSI" creators Anthony E. Zuiker, left, and Jerry Bruckheimer at her Hollywood Walk of Fame induction ceremony on Jan. 23, 2012, in Hollywood, Calif.

Photos: Marg Helgenberger

Marg Helgenberger poses with a plaque at her Hollywood Walk of Fame induction ceremony on Jan. 23, 2012, in Hollywood, Calif.

Photos: Marg Helgenberger

"CSI" actresses Jorja Fox, left, and Marg Helgenberger pose together at Helgenberger's Hollywood Walk of Fame induction ceremony on Jan. 23, 2012, in Hollywood, Calif.

Photos: Marg Helgenberger

Actress Jorja Fox attends Marg Helgenberger's Hollywood Walk of Fame induction ceremony on Jan. 23, 2012, in Hollywood, Calif.

Photos: Marg Helgenberger

Marg Helgenberger celebrates during her Hollywood Walk of Fame induction ceremony on Jan. 23, 2012, in Hollywood, Calif.

Photos: Marg Helgenberger

Marg Helgenberger poses next to her star on the Hollywood Walk of Fame after her induction on Jan. 23, 2012, in Hollywood, Calif.

Photos: Marg Helgenberger

Marg Helgenberger is joined by her son, Hugh Rosenberg, and mother, Kay Snyder, at her Hollywood Walk of Fame star ceremony on Jan, 23, 2011, in Los Angeles.

Photos: Marg Helgenberger