Derek publicly says that Ana needs a rest and decides to put in Daisy Parker ( Mara Davi ) ( who is an old flame of Derek 's and now in the ensemble ) as the Diva for a night .
Ana 's made several mistakes .
Derek publicly says that Ana , who 's made several mistakes , needs a rest and decides to put in Daisy Parker ( Mara Davi ) ( who is an old flame of Derek 's and now in the ensemble ) as the Diva for a night .