EXCLUSIVE: Luke Perry Promises to Have the 'Coolest Hair on TV' in Season Two of 'Riverdale'

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Luke Perry still has that bad boy swagger about him, but in his new series, Riverdale, we've noticed one major difference from his James Dean-like image of the '90s -- his hair.

"In the first season of Riverdale, I let Archie have the cool hair," Perry, 50, explains to ET's Nischelle Turner. "You notice that my hair's not so great, because I wanted to give him a head start. I told him in the second season I'm coming to get you. By the end of it, I'm going to have the coolest hair on TV!"

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Perry plays a devoted single dad on the dramatic series, based on the Archie Comics, while newcomer K.J. Apa plays his son, Archie.

It's been nearly 17 years since Beverly Hills, 90210 took its final bow, but with reboots like Girl Meets World and Fuller House, it might be the perfect time for a 90210 reunion.

"I think everybody's interested in doing it," Perry says. "We know we'd have a lot of fun getting back together. We just want it to be something good. "

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Perry adds that a return to the show is almost needed just for the sake of giving fans a sense of closure.

"I think we all have questions and that would be a great way to answer some of them," Perry says. "We'd probably be open to it."

Riverdale airs Thursdays at 9 p.m. ET/PT on The CW.