Signs as best artists of the decade: 

Aries: 

One Direction

Taurus: 

Adele

Cancer: 

Justin Bieber

Gemini: 

Lady Gaga

Leo: 

Rihanna

Virgo: 

Ed Sheeran

Libra:

 Kanye West

Scorpio:

Drake

Sagittarius:

 Taylor Swift

Capricorn:

 Ariana Grande

Aquarius: 

Katy Perry

Pisces:

 Post Malone