Question: The Last Girl on Earth was the third concert tour by Barbadian recording artist Rihanna, the tour visited Europe, Asia, North America and Australia to support her fourth studio album, which 2009 , and fourth studio album by Barbadian singer Rihanna, and released on November 20, 2009 by Def Jam Recordings and SRP Records?
Sentence (from "Rated R (Rihanna album)"): Rated R is the fourth studio album by Barbadian singer Rihanna.
Relevant evidence: Yes