Hilary Duff is coming clean. The pop artist, who is currently promoting her comeback album luck... or something, recently sat down with Alex Cooper of "Call Her Daddy," discussing everything from details from her discography to what it was like growing up in the spotlight. While Duff definitely spilled some tea about the behind-the-scenes of her public life, the singer's hairstylist, Barb Thompson, gave Us the 411 on which blowout texture spray was behind her client's effortless cool-girl waves.