"None of the above? Then perhaps you favour the Barbadian elephant in the room. Loud, Rihanna's fifth album, came out last autumn but its tail has been long, selling something like 1.3 million and still sounding inescapable."
But, is Adele really pop? I don't know.. to me she's in the same league as Celine Dion and these type of artists (well not as of now for sure, but in the musical field and vocally), so I don't know if her place would be in the "pop" trinity.