Kate Walsh stops by the Late Show with David Letterman to talk a little bit about Private Practice... which debuts tonight, September 26!

Kate Walsh and Amy Brenneman are two of the stars of the much anticipated Private Practice, coming to ABC in the fall 2007. We're looking forward to seeing these actresses and a terrific ensemble around them.

Kate Walsh and Alex Young are tying the knot Labor Day weekend. That's this weekend! That means by the time you see this picture, it's probably a done deal! Congratulations!

Kate Walsh parties in Las Vegas during her bachelorette party August 4, 2007. With Walsh to the right is Keisha Chambers, wife of Grey's Anatomy star Justin Chambers. Congratulations, Kate!

Sara Ramirez and Keisha Chambers (wife of Grey's Anatomy star Justin Chambers) along with another friend of Kate Walsh, helped the Private Practice star say goodbye to her single status. The venue? Tao in Las Vegas.

Kate Walsh and Alex Young are out for a stroll, just a few days before their planned wedding Labor Day weekend. Congratulations to the happy couple!

Alex Young and Kate Walsh announced that they are getting divorced as of December 2008. This is very sad news.

Private Practice star Kate Walsh, her husband Alex Young and her publicist Jonathan Cheba at the U.S. Open June 2008.

Kate Walsh (Addison Montgomery) and Michelle Ryan (Jaime Sommers, a.k.a. The Bionic Woman) are two of TV's hottest female stars, and go up against each other Wednesdays at 9. At least for the first week, Kate came out on top... barely. Both shows were very successful.

The occasion Kate Walsh was celebrating with friends? She is getting married! Kate had a bachelorette party in Las Vegas August 4, 2007. Looks like fun!

Kate Walsh and Alex Young on their way to a USC Trojans football game on Saturday, October 6, 2007. Such a cute, wonderful couple they make.

Kate Walsh and Barack Obama have met before, and recently connected again at one of his fundraisers. He offered his support for Kate and Private Practice. What a guy.