French niche line By Kilian has launched Straight to Heaven Extreme and Good Girl Gone Bad Extreme.
Straight to Heaven Extreme ~ a flanker to 2007's Straight to Heaven. "A more seductive version of Straight to Heaven, white cristal with an overdose of rum and vanilla." Developed by perfumer Sidonie Lancesseur.
Good Girl Gone Bad Extreme (shown) ~ a flanker to 2012's Good Girl Gone Bad. "Good girl gone Bad EXTREME adds a powerful mily [sic] facet to its original "milles feuilles" of flowers." Developed by perfumer Alberto Morillas.
By Kilian Straight to Heaven Extreme and Good Girl Gone Bad Extreme are $295 each for 50 ml Eau de Parfum.