Chelsea is Charlie's second attempt at a fiancee on Two and a Half Men. So far Chelsea has lasted longer than his last one, Mia. Chelsea is played by Jennifer Bini Taylor and as of season six, she's been promoted to series regular.
Chelsea: I love you
Chelsea: Aren't you gonna say it back?
Charlie: I'm gonna go pan for cat turds. If that doesn't say "I love you," nothing does
Chelsea: What are you doing?
Charlie: You know what happens when we spoon
Chelsea: I'm sick!
Charlie: So am I!