Kate Walsh backstage at the 20th Annual GLAAD Media Awards held at NOKIA Theatre LA LIVE on April 18, 2009 in Los Angeles, California.Jeff Vespa/WireImage.com - Monday, April, 20, 2009, 8:20 PM

Kate Walsh arrives at Global Green USA's 6th Annual Pre-Oscar Party at Avalon Hollywood on February 19, 2009 in Hollywood, California.Jeffrey Mayer/WireImage.com - Monday, April, 20, 2009, 8:20 PM

Kate Walsh attends the Children Mending Hearts Gala held at the House Of Blues on February 18, 2009 in Hollywood, California. Jason Merritt/Getty Images - Monday, April, 20, 2009, 8:20 PM

Kate Walsh arrives for the 2009 Writers Guild Awards held at the Hyatt Regency Century Plaza Hotel on February 7, 2009 in Los Angeles, California.Jean Baptiste Lacroix/WireImage.com - Monday, April, 20, 2009, 8:20 PM

Kate Walsh arrives at Global Green USA's 6th Annual Pre-Oscar Party at Avalon Hollywood on February 19, 2009 in Hollywood, California.Jeffrey Mayer/WireImage.com - Monday, April, 20, 2009, 8:20 PM

Kate Walsh visits "Late Show with David Letterman" at the Ed Sullivan Theatre on October 1, 2008 in New York City.Jeffrey Ufberg/WireImage.com - Monday, April, 20, 2009, 8:20 PM

Kate Walsh hosts Kate Somerville/Beverly Wilshire SPA partnership.Chris Weeks/WireImage.com - Friday, January, 4, 2008, 8:4 PM

Kate Walsh visits "The Late Show with David Letterman".Brian Ach/WireImage.com - Friday, January, 4, 2008, 8:4 PM

Kate Walsh arrives at the ABC Summer Press Tour Party at the Beverly Hilton Hotel.Gregg DeGuire/WireImage.com - Friday, January, 4, 2008, 8:4 PM

Kate Walsh stars as Dr. Addison Forbes Montgomery in Private Practice.ABC/Eric Ogden - Thursday, September, 27, 2007, 1:27 AM

Alex Young and Kate Walsh arrives at the 59th Annual Primetime Emmy Awards at the Shrine Auditorium on September 16, 2007 in Los Angeles, California.Steve Granitz/WireImage.com - Monday, September, 17, 2007, 4:17 AM

Kate Walsh arrives at the 59th Annual Primetime Emmy Awards at the Shrine Auditorium on September 16, 2007 in Los Angeles, California.Steve Granitz/WireImage.com - Monday, September, 17, 2007, 1:17 AM

Kate Walsh arrives at the 59th Annual Primetime Emmy Awards at the Shrine Auditorium on September 16, 2007 in Los Angeles, California.Jeff Vespa/WireImage.com - Monday, September, 17, 2007, 1:17 AM

Kate Walsh at The 58th Annual Primetime Emmy Awards.Steve Granitz/WireImage.com - Friday, July, 6, 2007, 12:6 AM

Kate Walsh stars as Addison in Private Practice.ABC/Bob D'Amico - Wednesday, May, 16, 2007, 6:16 PM

Kate Walsh at the 13th Annual Screen Actors Guild Awards.Steve Granitz/WireImage.com - Monday, January, 29, 2007, 8:29 PM

Sara Ramirez and Kate Walsh at the In Style and Warner Bros. 2007 Golden Globe After Party.John Sciulli/WireImage.com - Tuesday, January, 16, 2007, 10:16 PM

Kate Walsh at The 33rd Annual People's Choice Awards. Gregg DeGuire/WireImage.com - Wednesday, January, 10, 2007, 8:10 PM

Kate Walsh at The 33rd Annual People's Choice Awards.Jesse Grant/WireImage.com - Wednesday, January, 10, 2007, 8:10 PM

Kate Walsh at the 13th Annual Premiere Women in Hollywood.Gregg DeGuire/WireImage.com - Thursday, November, 30, 2006, 11:30 PM

Kate Walsh stars as Addison Shepherd in Grey's Anatomy on ABC.ABC/Bob D'Amico - Wednesday, September, 20, 2006, 10:20 PM

Kate Walsh ABC's Grey's AnatomyFrank Ockenfels - Wednesday, September, 20, 2006, 10:20 PM

Kate Walsh ABC's Grey's Anatomy Wednesday, September, 20, 2006, 10:20 PM

Kate Walsh ABC's Grey's Anatomy Wednesday, September, 20, 2006, 10:20 PM