Rihanna is continuing to put her resources toward the fight for coronavirus relief funding.The best-selling singer and fashion mogul is, once again, teaming up with Twitter co-founder and CEO Jack Dorsey — as well as JAY-Z — to pump much-needed cash into grants for organizations battling the coronavirus outbreak and helping those impacted by the pandemic.Rihanna's Clara Lionel Foundation, in conjunction with Dorsey's #startsmall initiative and JAY-Z's Shawn Carter Foundation announced on Wednesday that they would be joint-funding an additional $6.2 million into grants aimed at supporting COVID-19 rapid response efforts in the U.S.