Romancing Mister Bridgerton is a Regency romance novel by Julia Quinn. It tells the story of Penelope Featherington, a wallflower who has been secretly in love with her best friend's brother, Colin Bridgerton, for years. When a mysterious gossip columnist threatens to expose her deepest secret, Penelope finds herself drawn into a forbidden romance with Colin. As they navigate the complexities of their society and their growing feelings for each other, their forbidden kisses ignite a passionate love that cannot be denied.