Overall, who is the superior of pop singles? Keep the following things in consideration: Chart success, sales success, critical reception, impact, music videos, and performances.
She has more consistency than the other two, all her singles except for 2 went #1, 6 #1s from one album. Everyone knows these songs, they are still relevant today, music videos are all exceptional works of art that are made with prescision and effort.
Poker Face and Bad Romance. Those two singles redefined pop music and have had a bigger impact than Katy and Rihanna's discographies combined. They're also two of the most successful singles of all time and their videos are masterpieces. The success Bad Romance and Poker Face saw is the type of success pop artists dream about. It's their success that catapulted Gaga into the pop culture stratosphere and cemented her spot in pop culture history.
But the one who got 6 #1's off of one album