Cardi B And Megan Thee Stallion’s “WAP” Debuts At #1 To no one’s big surprise, Cardi B and Megan Thee Stallion have the number 1 song in America. WAP debuted in the top spot on Billboard’s Hot 100 chart. This is Megan’s 2nd number one and Cardi’s 4th. The track had 93 million streams in its first week. That is the most weekly streams of 2020. How long do you think the song will stay at #1? Click here to learn more.