Stefani and Adam Levine have remained close since working together on the singing competition show. So close, in fact, that the Maroon 5 frontman, 37, has been keeping her in the loop on wife Behati Prinsloo's pregnancy
. Levine and the 26-year-old model
are currently brainstorming baby names for their first child together, and Stefani says she's already received a slew of texts with potential monikers from the cute couple.