 "Nothing Gold Can Stay" is the title given to the tenth episode of the seventh season of "The Mentalist" (first aired February 4, 2015) in which the character of Michelle Vega is killed.The line "Nothing gold can stay" is featured in American poet Lana Del Rey's "Venice Bitch" single, released in 2018.Del Rey also previously used this line in her 2015 single "Music to Watch Boys To".