Big Brother viewers have watched dozens of Big Brother showmances unfold over the course of 20 years the CBS reality series has been on the air -- so what Big Brother showmances are still together, which showmance couples eventually went their separate ways and split and where are they now?

Big Brother premiered on CBS in Summer 2000, and numerous Big Brother showmances have developed in the 22 seasons that have aired on the network since then.

In fact, while Big Brother always urges viewers and houseguests to "expect the unexpected," showmances have become so common that Big Brother viewers have come to expect each Big Brother season will probably include at least one showmance couple. 

While some Big Brother showmances seem to come to fruition for reasons ranging from boredom to a desire for attention and affection, many Big Brother couples have actually gone on to solidify genuine, long-lasting relationships after the game ended and they left the house.

In fact, quite a few Big Brother couples are engaged or married today -- and some of them even have children, including Season 19 couple Jessica Graf and Cody Nickson and Season 11 couple Jeff Schroeder and Jordan Lloyd!

Viewers have seen many Big Brother showmances to come and go on Big Brother, so let's take a trip down memory lane and look at some of the most memorable Big Brother couples. Which Big Brother showmances worked out, and which Big Brother couples fell apart in the real world?

Did Raven Walton and Matthew Clines end up being more than just a hookup? And what ever happened to other pairs like Daniele Donato and Dominic Briones, Paulie Calafiore and Zakiyah Everette, and Jessica Hughbanks and Eric Stein?

Love them or hate them, Reality TV World will also update you on what's going on with more recent Big Brother couples like Elena Davies and Mark Jansen as well as Holly Allen and Jackson Michie nowadays.

There's also a lot more where that came from -- including Austin Matelson and Liz Nolan, Shelli Poole and Clay Honeycutt, and many more.

And you'll also learn which former Big Brother showmance partner "came out" after the show and publicly announced she was in a same-sex relationship!

What Big Brother showmances are still together, and where are they now? And which former Big Brother showmance couples have split up?

Click the BEGIN GALLERY link below to see some of the most memorable showmances in Big Brother history and find out whether they are still together or broken up!!