(AllHipHop News) Nicki Minaj will not be heading out on the road with R&B singer Rihanna’s “Last Girl On Earth Tour,” the rapper revealed today (April 7th). On Monday, organizers of Rihanna’s “Last Girl On Earth Tour” announced that Nicki Minaj and Ke$ha were opening acts on the 25-date tour, which kicks off on July 2nd in Seattle, Washington. According to Nicki, she is going to use the time to finish completing her upcoming debut full-length album. Barbz I’m sorry 2 say I will not be going out on RiRi’s tour. I’ve decided 2 use that time 4 the completion of my album. Hope u understand,” Nicki Minaj Tweeted today. “Barbz, Thx 4 understanding. And Thanks to Rihanna 4 being a sweetheart and extending this great opportunity 2 me. Support the show! Luv, HB.”Nicki Minaj recently debuted “Massive Attack,” the first single from her album
