'Riverdale's' Lili Reinhart On That Betty & Jughead Finale Sequence; Fan Theory About Betty's Secret Brother

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'Riverdale's' Lili Reinhart On That Betty & Jughead Finale Sequence; Fan Theory About Betty's Secret Brother

On the red carpet at The CW Upfront presentation in New York City, Lili Reinhart discusses with AccessHollywood.com the Season 1 finale of "Riverdale," which saw Betty watching from inside as Jughead put on a Southside Serpents jacket. Plus, has Lili heard the fan theory that some suspect Betty's secret brother could be Alice and FP's son?


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