British singer Adele closed out 2015 with a sixth consecutive week atop the weekly U.S. Billboard 200 album chart on Monday, as her album "25" cemented its status as the biggest-selling record of the year. According to figures from Nielsen SoundScan, Adele's "25" sold 363,000 units in the final week of 2015, bringing her total U.S. sales tally to 7.4 million. On the Digital Songs chart, which measures online song sales, Adele's ballad "Hello" held steady at No. 1 with 327,000 copies sold in the last week of the year.