Episode 8026 ( 25th December 2012 ) Plot . Stella offers to handle the wedding cancellation for Leanne . Leanne is touched when Nick sends her a tiara in memory of their first wedding and , realising that he will always try to make her happy , she decides that the wedding is back on and puts her doubts down to nerves . David tells Kylie he ' ll stay off drink for the day but Kylie doesn ' t care as he meant the things he said to her yesterday . Ron and Janet Dent arrive at the salon flat and are surprised to find so many people living there . The guests arrive at the hotel for the wedding as Leanne sets off in her wedding car . Eva gets on at her , thinking she should be the one marrying Nick . Leanne suddenly gets out of the car and goes to see Peter . She tells him she ' ll stop the wedding and get back with him if he meant what he said to her yesterday . She is astonished to find Carla there . Peter downplays his feelings for Leanne now that Carla is back . Leanne leaves to go to the wedding after all . Carla is worried by what Leanne said but Peter swears on Simon ' s life that it ' s her he wants . The Dents approve of Maria . Kirsty gets Tyrone a horrible jumper and burns the turkey . Nick starts to worry that Leanne won ' t turn up . She arrives in the nick of time . Rob and Michelle are surprised to see Carla back and annoyed when she says she ' s back for good and isn ' t selling the factory . Rob needs to retrieve the doctored files at the factory before Carla sees them . While Nick and Leanne are at the altar , Eva speaks out and tells Nick that Leanne was late as she was offering Peter first refusal and only came as he turned her down . Leanne and Nick start arguing as Eva keeps sticking the knife in . They try to sort out their differences in private but Nick feels humiliated and quickly decides the wedding is off . Janet hints to Maria about children . Nick decides to stay in the honeymoon suite alone . Simon is upset as the wedding falling apart and blames Carla for returning . Owen surprises the Armstrongs / Windasses with a holiday in the Lake District and invites Fiz . Leanne tells Peter he ' s a cancer . Eva doesn ' t regret what she did as she saved Nick from being second best although she insists to Leanne that she ' s over him . Stella doesn ' t let her in the wedding car . David breaks his word by drinking in the Rovers . Kylie admonishes him for not being a good brother and tells him he killed something in her when he spoke to her like he did . Marcus can ' t handle his parents being interested in him as they ignored him all the time he was with men . Sean feels sorry for him and tells him he doesn ' t mind him seeing Dylan . Kevin has a drink with Jenna but makes a mistake when he tries to kiss her as she isn ' t interested . Marcus ' s parents make excuses for not coming to see him before . Leanne calls Eva a bitch and a bunny boiler . Stella throws Eva out . Stella slaps Eva when she says she wishes she ' d been abandoned as a child as she ' d be put first like Leanne . Kylie meets Nick at the hotel and they commiserate together . Kylie admits she had a hand in Eva ' s revenge on him and that Eva made the hoax call at the bistro . Nick takes her to the honeymoon suite and they kiss .