The couple scored 62.06% of the total votes cast to win the R2m star prize.
Ntombi and Ace, who were among the 10 couples in the house, engaged in open ‘pornography’ under the full glare of viewers and their colleagues.
The inmates were in the house for 57 days before the votes were counted on Sunday, May 17, 2015.
Two other housemates, Adams and Axola were expelled following allegations of rape.
According to reports, Adams had unprotected sex with Axola who was too drunk to be conscious of happenings around her.
The case is still being investigated by DSTV.