Alfie starts a relationship with Roxy, who moves in with Alfie, upsetting Kat. Kat teams up with Bianca Butcher (Patsy Palmer) to earn money cleaning, first at the R&R and then at The Queen Vic after being given a job by Roxy. Kat and Bianca are fired from both jobs, so they decide to set up a market stall together, with Alfie offering money to help them start. Kat is upset when Alfie changes the licensee name from Kat to Roxy on the plaque above The Queen Vic doors. Alfie helps Kat when she is questioned over stolen goods, but to prove his love to Roxy, he decides he wants to divorce Kat. Kat fights with Roxy, and has sex with Michael, which she regrets the next day, Lauren Branning (Jacqueline Jossa) tells Kat to take control of her life, so Kat tells Roxy and Alfie she had sex with Michael and that he is a better lover than Alfie. Kat has an ongoing feud with Roxy, and is upset when she finds out Roxy and Alfie are trying for a baby. When a man named Josef (Aleksandar Mikic) tries to steal money from the pub's safe, Kat helps Roxy by convincing him not to. Roxy thanks Kat but then accuses her of trying to win Alfie back, which Kat denies. Kat and Alfie receive their decree nisi. Kat says it is not too late to cancel, but Alfie insists he has moved on and proposes to Roxy.