Who is the best singer it a jayz b souji boy c nicki manji?

There is no clear answer to who is the best singer among Jay-Z, Soulja Boy, and Nicki Minaj. It is a matter of personal taste and opinion. Some people may prefer Jay-Z's rap style, while others may enjoy Soulja Boy's more upbeat songs. Still, others may appreciate Nicki Minaj's versatility and ability to rap and sing. Ultimately, it is up to the listener to decide who is the best singer.