Prepared by Megan C. Hills, CNN Delving into the archives of pop tradition record, “Don’t forget When?” is a sequence featuring a nostalgic glimpse at the celeb outfits that outlined their eras. Observe CNN’s Initial Sequence “Reframed: Marilyn Monroe” Sundays at 9 p.m. ET Remember when showgirl Lorelei Lee left her fiancé dumbstruck as she emerged onstage in a pink satin robe, dripping in diamonds, in “Gentlemen Prefer Blondes”? Lee, performed by Marilyn Monroe, then launches into a musical range the place she croons “diamonds are a girl’s greatest good friend” — a scene widely imitated in the a long time considering the fact that, from Madonna’s “Content Girl” video…