Kirstie Alley converted to Scientology before making it big as an actress. (Photo by Jim Smeal/Ron Galella Collection via Getty Images)
Kirstie Alley got her start in 1982 on "Star Trek II: Wrath of Khan" playing Saavik. (Photo by CBS via Getty Images)
In 1983, Alley married her first husband Parker Stevenson. (Photo by Vinnie Zuffante/Michael Ochs Archives/Getty Images)
Throughout the mid-80s, Alley starred in a number of shows and films, including "A Bunny's Tale," "Infidelity" and "Prince of Bel Air." (Photo by Mario Casilli /American Broadcasting Companies via Getty Images)
In 1987, Alley replaced Shelley Long on the hit sitcom "Cheers," in which she starred as Rebecca Howe. (Photo by Vinnie Zuffante/Michael Ochs Archives/Getty Images)
While filming "Cheers," Alley starred alongside John Travolta in "Look Who's Talking," in 1989. She also starred in the film's two sequels. (Photo by TriStar Pictures/Getty Images)
John Travolta and Kirstie Alley are pictured here attending the premiere of "Look Who's Talking." (Photo by Ron Galella, Ltd./Ron Galella Collection via Getty Images)
Kirstie Alley won her first Emmy in 1991 for her work on "Cheers." (Photo by Jim Smeal/Ron Galella Collection via Getty Images)
Kirstie Alley and her husband Parker Stevenson adopted their son William in 1992, and their daughter Lillie in 1995. (Photo by J. Shearer/WireImage)
Kirstie Alley earned her second Emmy Award in 1994 for "David's Mother." (Vinnie Zuffante/Michael Ochs Archives)
In 1995, Kirstie Alley got her star on the Hollywood Walk of Fame. (Photo by Barry King/WireImage)
In 1997, Kirstie Alley and her husband Parker Stevenson finalized their divorce. (Photo by Paul Harris/Getty Images)
In 1997, Alley received another Emmy nomination for her work on the crime drama series, "The Last Don." (Photo by CBS via Getty Images)
From 1997 to 2000, Alley starred as the main character of the NBC sitcom, "Veronica's Closet," alongside Kathy Najimy. (Getty Images)
Throughout the 2000s, Alley worked on a number of projects, including "Drop Dead Gorgeous," "Without a Trace," While I was Gone," "Fat Actress" and "Write and Wrong." (Photo by SGranitz/WireImage)
From 2004 to 2008, Alley was a spokesperson for Jenny Craig. While using the service, Alley claimed to have lost 75 pounds, but said she gained back 83 when she stopped using the product. (Photo by Michael Tran/FilmMagic)
In 2010, Alley founded Organic Liason and claimed to have lost 100 pounds due to the product. She was sued for false advertising and settled the lawsuit for $130,000. (Photo by: Paul Drinkwater/NBCU Photo Bank/NBCUniversal via Getty Images via Getty Images)
Alley appeared on season 12 of "Dancing with the Stars," and was paired with pro dancer Maksim Chmerkovsky. Together the duo ended the competition in second place. (Photo by Adam Taylor/Disney General Entertainment Content via Getty Images)
In 2013, Alley returned to acting in her short-lived TV Land sitcom, "Kirstie." It only aired for 12 episodes. (Photo by Steve Zak Photography/FilmMagic)
In 2014, Alley announced she was once again partnering with Jenny Craig, saying later, it helped her lose 50 pounds. (Photo by Alessio Botticelli/GC Images)
Alley became a grandmother in 2016, when her son welcomed a son of his own. (Photo by Cindy Ord/Getty Images)
In 2018, Alley made a return to acting in a 10-episode arch in Ryan Murphy's "Scream Queens." (Photo by FOX Image Collection via Getty Images)
Also in 2018, Alley appeared in the hit reality competition show, "Celebrity Big Brother." She finished in second place. (Photo by Karwai Tang/WireImage)
Earlier in 2022, Alley appeared on "The Masked Singer," as "Baby Mammoth" of Team Cuddly. She was only the second star to be eliminated. (Photo by FOX via Getty Images)
Alley's final acting credit is the TV movie, "You Can't Take My Daughter." (Eric McCandless/ABC via Getty Images)
On December 5, Kirstie Alley's family announced the actress died following a "battle with cancer." She was 71. (Photo by Steve Granitz/WireImage)
Lori Bashian is an entertainment production assistant for Fox News Digital.