Nicola Coughlan, everyone's favorite gossipmonger from the ton (aka Penelope Featherington, aka Lady Whistledown), is proving that her fashion game is just as strong off-screen as it is in the glamorous world of "Bridgerton." But this time, it's not about corseted gowns and elaborate hairstyles; it's about supporting a good cause and rocking a quirky slogan tee – and some surprisingly chic boxers!

"Bridgerton" Besties Unite for Charity: Coughlan Champions Bailey's Campaign

The "Bridgerton" family sticks together, even when the cameras aren't rolling! Coughlan took to Instagram to show her support for her on-screen brother-in-law, Jonathan Bailey (who plays the dashing Viscount Bridgerton), and his new charity fashion campaign.

The campaign, a collaboration between Bailey and luxury fashion house Loewe, features a limited-edition "Drink Your Milk" t-shirt designed by none other than Jonathan Anderson himself.

The proceeds from the now sold-out tee benefit The Shameless Fund, an organization dedicated to supporting LGBTQ+ non-profits worldwide.

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