Lohan, who also starred with Jamie Lee Curtis in the recent remake of "Freaky Friday," is scheduled to guest star on the Nov. 17 episode of the show. Titled "Mother's Little Helper," the episode features Lohan as a hot new client at the local beauty salon where Fez (Wilmer Valderrama) works as a shampoo boy.
Fez and Kelso (Ashton Kutcher) wind up competing for her attention.
Lohan joins a list of guest-stars on "That '70s Show" that includes Luke Wilson, Brooke Shields, The Rock, Danny Bonaduce, Seth Green, Alice Cooper, Jessica Simpson, Marion Ross and Roger Daltrey of The Who.
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