Cee Lo Green's Forget You, slips to #10 this week. This is his first Top 10 hit in the US and the song has peaked at #2.
His first UK Top 10 album, his album, The Lady Killer, slips from #6 to #9 this week. The album has peaked at #3.
Across the Atlantic, in the US, he does the same thing, as the same album debuts at #9.