For Britney Spears, the opportunity to expand into the fragrance market was heaven-scent.
Think back to 2004. MSN Messenger, Janet Jackson's wardrobe malfunction, the end of Friends and the start of X Factor.
Britney was at the top of her game as a singer, having just released Toxic - the latest in a long line of utterly colossal pop bangers.
But this was also the year she expanded into perfumes, with the launch of her debut fragrance Curious.
Fast forward to 2018, and Britney's sweet-smelling scents have become so successful she's now released 23 in total, one of which (Fantasy In Bloom) has just been named fragrance of the year at the Hollywood Beauty Awards.