When it clicks, she stammers out an answer. "I...um, we are... Wait, how did you -" She then remembers hearing Sloane yammer on about some nonsense with Casimir, and hearing her name come up. That bleeding twit must have said she and Casimir were getting married.
She gives Sloane an 'I am going to murder you' glare before turning back to Elewa and nodding. "Yes. Yes we are."