Rihanna Dissed Beyonce and Katy Perry?

Rihanna has seen off competition from Beyonce and Katy Perry to be named the nation's most influential pop star.

She was named the “Most Influential Pop Star” by a British list that analyzed “social media activity, airplay and press coverage,” beating Beyonce, One Direction, Perry, and Justin Bieber.

On Instagram page, Rihanna posted a screenshot of the news, along with the caption:

“I only know how to be number 1!! I could use a challenge… ‘How dat feel down there on ya knees, Huh?!’”