L.O.V.E. Duel

S4 E16: LuAnn decides to throw Jacques a surprise party for their one-year anniversary (of dating). While at her producer's studio, Natalie Cole shows up and LuAnn invites her to the party. Much to her surprise, Natalie accepts and offers to sing a song -- with LuAnn! At a dinner party Ramona is throwing for Alex, Simon, Sonja and Brian, Ramona reveals that she would like another baby. All the ladies attend LuAnn's anniversary party. They have no idea that the surprise for the night includes Natalie Cole. Sonja brings a surprise of her own -- a pregnancy test for Ramona!