The Baron opens the door and Camille leaves the pavilion, followed by Hanna. Danilo is stunned to see that Hanna is the woman with Camille, and Hanna states that she and Camille are engaged. Camille looks startled at this unexpected announcement and Valencienne faints with shock at her lover committing himself to another woman. Baron Zeta is horrified at the thought of Pontevedro losing all Hanna's money to a foreigner and also faints. Danilo is furious. Hanna explains to Camille why she pretended that they were engaged, and Camille, looking relieved, smiles.