Nikki and Artem try to plan a wedding in four weeks; Brie is appointed the maid of honour and tries to plan a bridal shower; Nikki finds it impossible to find a venue on such short notice; Artem hopes his Russian family can travel for the wedding.

With the wedding destination locked and nuptials looming, the couple faces a long to-do list with only 3 weeks left; Brie and Gleb set out to host a wild joint bachelor/bachelorette party in L.A. as Nikki plans a sexy surprise for Artem.

Tensions are high as Nikki says goodbye to Artem and Matteo; Nikki and Brie tackle a long wedding to-do checklist in Paris, including finding a venue; Nikki struggles with mum guilt as she's never been apart from her son for this long.

After a rollercoaster week, Nikki, Artem and Matteo are finally reunited in Paris; Nikki and Artem must lay all their cards on the table before they walk down the aisle; the romance and spontaneity of Paris helps re ignite a spark between the couple.