Cast members from TV's "Three's Company" are seen in this undated photo made available by Nick at Nite. From left: Don Knotts, Joyce DeWitt, Richard Kline, John Ritter, Suzanne Somers and Ann Wedgeworth. Knotts, who kept generations of TV audiences laughing as bumbling Deputy Barney Fife on "The Andy Griffith Show," died Feb. 24, 2006. He was 81.

Actor Norman Fell, far right, who played the irritable landlord Stanley Roper on the 1970s television sitcom ``Three's Company,'' is shown with cast of the show in Los Angeles in this 1979 photo. Seen, from left, are: actors Audra Lindley; Joyce DeWitt; John Ritter; Suzanne Somers; Don Knotts; and Fell.

Beverly Hills, CA. Suzanne Somers at the Museum of Television and Radio Gala Dinner.

Suzanne Somers in her Thighmaster glory in the 1990s.

Suzanne Summers.

Suzanne Somers at "The 10th Annual Fire & Ice Ball," a gala event, hosted by Lilly Tartikoff and Ronald O. Perelman, to raise funds for Revlon/UCLA women's cancer research program. 12/11/00 at the Beverly Hilton Hotel in Los Angeles, Calif.

Suzanne Somers poses at a ceremony honoring her with a star on the Hollywood Walk of Fame on January 24, 2003 in Hollywood, Calif.

Suzanne Sommers arrives at the 10th Annual "Race to Erase MS" at the Century Plaza Hotel on May 9, 2003 in Los Angeles, Calif.

Suzanne Somers and Frankie Avalon talk during Suzanne Somer's Broadway debut party for her new play "The Blonde In The Thunderbird" at Bolzano's on July 16, 2005 in New York City.

Suzanne Somers arrives at the Vanity Fair Oscar Party at Mortons on February 27, 2005 in West Hollywood, Calif.

Suzanne Somers arrives at the 17th Annual Mercedes-Benz Carousel of Hope Ball at the Beverly Hilton Hotel on October 28, 2006 in Beverly Hills, Calif.

30th anniversary Carousel of Hope Ball to benefit the Barbara Davis center for childhood diabetes held at the Beverly Hilton Hotel on October 25, 2008 in Beverly Hills, Calif.

Suzanne Somers attends the Malibu Lumber Yard grand opening held at the Malibu Lumber Yard on April 21, 2009 in Malibu, Calif.

Suzanne Somers arrives at the Academy Of Television Arts & Sciences' 'Father's Day Salute To TV Dads' on June 18, 2009 in North Hollywood, California.

Christine Lakin and Suzanne Somers arrive at the Academy Of Television Arts & Sciences' 'Father's Day Salute To TV Dads' on June 18, 2009 in North Hollywood, California.

Suzanne Somers attends the 1st Annual Night To Make a Difference At Mr. Chow on February 22, 2009 in Beverly Hills, Calif.