Your jaw might have hit the floor when horny housemate Steven Goode got it on with Kimberly Kisselovich this past week on Big Brother - click here to see something your eyes will never forget (but bear in mind it is NFSW).
It was especially hard to take eyes off their under-the-cover romp as things heated up between the twosome in the bedroom during last night's episode.
The pair have been getting close for weeks now and by the looks of it they couldn't keep it in their pants any longer.
But if you're thinking that the duo have set a new level of naughtiness on the reality TV show - think again.
They're actually part of a long list of international contestants who have done the bad thing in the famous house.
Here's a list of some of the rudest moments we've seen from around the globe.
5. Big Brother USA Series 4
When it comes to doing the deed, the Yanks were way ahead of us as seen here when things got steamy in their 2003 instalment.
4. Big Brother Finland Series 5
It didn't look like privacy was an issue when Minna and Esa climbed on top of each other in full view of their fellow housemates.
3. Big Brother Africa Series 8
If it wasn't shocking enough that Selly and Nando got it on, Nando later claimed that he was given an STI during the encounter.
2. Big Brother USA Series 9
While you didn't get to, erm, see much action between Ryan and Jen, you can certainly hear them.
1. Big Brother Brazil Series 12
From the lighting to their sounds and movements, this session between Laisa and Yuri tops the chart as the raunchiest Big Bro romp ever.