Like many celebrities before her, Nicki Minaj is releasing her first fragrance this fall. What might be perceived as “selling-out” in another genre of music, is actually a rite of passage for a commercial pop star. Let’s look at the marketing materials of 20 pop star perfumes, and get a sense of how this whole celebrity fragrance business really smells.

This A$AP Rocky/Lana Del Rey collaboration that’s been tearing up the internet over the past couple days got me thinking — nothing is off limits when it comes to contemporary musical collaborations. All it takes is for one artist to reach out to another via Twitter, and the labels are pleased as punch because these weird pairings make major headlines.