"Duets II" has charted in 9 countries.
#2, Australian Albums Chart (04 Oct 2011).
#2, US Albums Chart (25 Sep 2011).
#2, Canadian Albums Chart (25 Sep 2011).
#2, Spanish Albums Chart (20 Sep 2011).
153 appearances on the Canadian Albums Chart
(03 Aug 2011 - 25 Jul 2023).
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