The '70s' Are Over

The cast of 'That '70s Show' gathered to celebrate the finale of the long-running series.

'EXTRA' was there as Ashton Kutcher arrived hand-in-hand with wife Demi Moore and her daughter Rumer Willis. When asked how he was feeling the, 'Punk'd' star simply replied, "Very good."

Laura Prepon, Wilmer Valderrama and Danny Masterson were also on hand to discuss some of their favorite moments during the show's eight-season run.

The series finale of 'That '70s Show' airs May 18 at 8PM on FOX.