The brother-sister duo made the announcement throughout an look on “Good Morning America” on Thursday.
Their ultimate efficiency on the Flamingo Las Vegas is scheduled for Nov. 16.
In response to the on line casino, the duo launched their residency in September 2008, planning for only a six-week live performance engagement.
The on line casino says the residency was prolonged once more and once more, marking a decade of performances final yr.
The pair says they may proceed performing in some style.