mars co-wrote the song "all i ask" from english singer-songwriter adele's third studio album "25" (2015). in 2016, mars released the single "24k magic" (pronounced "twenty-four-karat magic") from his album, also called "24k magic". it has reached the top five of the "billboard" hot 100. the second single from "24k magic", "that's what i like", became mars' seventh number-one song on the hot 100. a remix of the "24k magic" song "finesse", featuring rapper cardi b, was released in january 2018 and reached the top five around the world.