Emma Willis revealed this week's nominations on Monday night's edition of Big Brother's Bit on the Side.
Both Aaron and Heaven have already survived being nominated for eviction.
The public will now vote to save their favourite of the three housemates. Voting closes during Friday's live eviction show.
Watch Big Brother reveal the results of the nominations to the housemates below:
Aaron threatened to leave the house of his own accord on Sunday night following tensions that came about when he kissed Maisy James.
Rebeckah Vaughan and Tashie Jackson were previously evicted from the Elstree compound after losing out in the public vote.
Big Brother continues on Channel 5 at 10pm tonight.
> Big Brother: Aaron, Maisy discuss kiss aftermath
Watch the housemates react to this week's nominations below: