Ashton Kutcher Signs on for 'That '70s Show' Reunion on 'Fox's 25th Anniversary Special'

Mila Kunis, Laura Prepon and Wilmer Valderrama are also set to appear on the two-hour program airing Sunday, April 22.

Fox has assembled an impressive array of stars from its quarter-century of broadcasting, including a That '70s Show and In Living Color reunion on its two-hour 25th Anniversary Special airing at 8 p.m. Sunday, April 22.

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The network said Wednesday that Two and a Half Men star Ashton Kutcher has signed on to reunite with his '70s Show castmates Mila Kunis, Laura Prepon and Wilmer Valderrama.

It also will bring back brothers Keenen Ivory Wayans, Marlon Wayans and Shawn Wayans for a “look back” at their pivotal sketch show In Living Color. Jennifer Lopez -- who was a Fly Girl dancer on In Living Color from 1991-93 -- will appear on the special with her fellow American Idol judges Randy Jackson and Steven Tyler along with host Ryan Seacrest.

Also in the lineup are Keifer Sutherland of Touch and 24; Seth MacFarlane, creator and voice star of Family Guy, American Dad and The Cleveland Show; Married … With Children leads Ed O'Neill, Katey Sagal, Christina Applegate and David Faustino; Calista Flockhart of Ally McBeal; Gabrielle Carteris, Shannen Doherty and Ian Ziering of Beverly Hills, 90210; Patrick Warburton from The Tick; and The X-Files stars Gillian Anderson and David Duchovny with creator Chris Carter.

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