'Bridgerton' showrunner Jess Brownell says season 4 has 'incredibly subtle clues' regarding the new Lady Whistledown

Nicola Coughlan as Penelope Featherington on season three, episode six of "Bridgerton." Liam Daniel/Netflix Between declarations of love, a tragic death, and an evil stepmom, Penelope quit as Lady Whistledown. But just as quickly, a new Lady Whistledown stepped up to the challenge. Spoilers ahead for season four, part two of "Bridgerton." Don't worry: The "Bridgerton" writers know who the new Lady Whistledown is. A "Dan is Gossip Girl" situation, this is not. Ahead of the release of the las...