Does your fave have what it takes to rule over the kingdom of social media? PopCrush's King & Queen of Social Media Contest is a month-long competition to determine 2017's social media pop royalty.

This year’s King & Queen of Social Media competition kicks off today, with two very different artists in the running for the ultimate social crown.

First up is Rihanna: music icon, fashionista, self-proclaimed bad gal and fearless leader of the Navy—her fanbase, that is. With nearly 55 million followers on Instagram, Rih knows a thing or two about keeping the masses engaged on social media.

Up against RiRi is Brazilian funk star Anitta, the bunda-rolling diva and Iggy Azalea collaborator whose dance floor-beckoning music is as fierce as her moves. With 21 million Instagram followers, is the "Paradinha" singer 2017's social media queen bee?

The battle starts now: Place your vote between Rihanna and Anitta for 2017's Queen of Social Media! This round ends on Friday, July 28 at midnight.

The Best Celebrity Tweets of All Time: