#2: Jessica Simpson

Habit: Uses Listerine instead of brushing her teeth

In a candid 2010 iHeartRadio interview, Jessica Simpson confessed to an unconventional habit that surprised everyone. “I don’t brush my teeth,” she laughed. “No, really! I just use Listerine—and sometimes I’ll even use my sweater.”

Her unexpected oral hygiene approach amused fans, showing that Simpson isn’t afraid to embrace her quirks. While it may not be dentist-approved, her laid-back method highlights her carefree personality, proving she doesn’t take herself too seriously—even regarding daily routines.