Question: What song was written by Kellie Pickler that was about her boyfriend cheating on her and starts a new family with a new girl and reached rank 9 on the charts?
Sentence (from "Kellie Pickler (album)"): Since the albums' release, three more singles have charted; "Best Days of Your Life" at number 9 (which was co-wrote with fellow country artist Taylor Swift), "Didn't You Know How Much I Loved You" at number 14 (a re-recording of an album cut from Pickler's debut album "Small Town Girl") and "Makin' Me Fall in Love Again" at number 30.
Relevant evidence: Yes