While Adele's "21" claims an eighth week atop the Billboard 200 albums chart -- the longest reign of any album since early 2009 -- the Lonely Island's "Turtleneck & Chain" laughs its way to a No. 3 arrival on the list. Meanwhile, over on the Digital Songs chart, Lady Gaga's "The Edge of Glory" bounds in at No. 2 with 266,000 -- but more on that in just a moment.