"Some of the stuff that Wilmer wears is bad. And Debra Jo"

This quote by Laura Prepon is most likely describing the characters Wilmer Valderrama and Debra Jo Rupp, who both appeared in the hit comedy That '70s Show. Prepon's character, Donna Pinciotti, was a friend of both Wilmer and Debra Jo's characters, and it appears that Prepon is making a joke about their fashion sense. She is suggesting that Wilmer's style options are not constantly the very best, which Debra Jo's fashion sense is not much better. This quote is likely implied to be humorous, as it is an easy going jab at the two characters. It is also a testimony to the close friendship between Donna, Wilmer, and Debra Jo, as Prepon is comfortable enough to make a joke at their cost.