Lisa Lynn Masters passed away at the age of 52 after being discovered dead in her hotel room from an apparent suicide.
Relive scenes from the first five years of this CW Network show before the sixth and final season debuts Monday, October 8.
The network also renews Nikita and Hart of Dixie, cancels The Secret Circle, and ordered four more shows including The Carrie Diaries.
One Tree Hill will kick off its final season on Wednesday, January 11, while the new series Remodeled debuts Wednesday, January 18.
90210 and Ringer kick off the network's fall lineup on Tuesday September 13 with H8R and America's Next Top Model following on Wednesday, September 14,
The network also ordered new seasons of America's Next Top Model and 90210 for the Fall 2012 season.
The actress has two more seasons on her contract before saying good-bye to Blair Waldorf.
Take a look at when you can expect the return of Smallville, Supernatural and more.
We have all the details on this five-disc set of the hit CW Network series.
America's Next Top Model, Gossip Girl and 90210 were also renewed.