One of the most famous couples in Big Brother history entered the BB16 house Friday and surprised the houseguests with a very special moment.

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Jeff Schroeder and Jordan Lloyd, who met and "showmanced" during Big Brother 11, came in to the Big Brother house on Friday with something fans have been waiting for a long time. Schroeder officially proposed to Lloyd in front of the current Big Brother houseguests and she accepted.

Schroeder revealed the happy news on Twitter:

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"Why are the live feeds off.... Maybe cause of this.... SHE SAID YES! Thank you sooo much @CBSBigBrother," he tweeted.

The couple took a photo with family, friends and the current houseguests, Caleb Reynolds, Cody Calafiore, Derrick Levasseur, Frankie Grande and Victoria Rafaeli. It appears that the Big Brother backyard was transformed into a very romantic landscape.

Big Brother host Julie Chen announced on Thursday's live show that Schroeder and Lloyd would be entering the house on the Sunday episode and it appears that this was the reason for their presence.

Meanwhile, there have been a few interesting developments in the actual Big Brother 16 game, including the houseguests' decision on whether or not to push the mysterious gold button.

LIVE FEED SPOILERS AHEAD:

Frankie won the Head of Household competition that took place late Thursday night. He pondered pushing the gold button with the houseguests, thinking it might give him (or them) some kind of special power. Ironically, Frankie was the one most interested in pushing the button not knowing that it would strip away his HOH power on Wednesday.

At the Nomination ceremony Frankie decided to nominate Cody and Victoria with the intention of sending Victoria home. Derrick remains the only person in the house who has never been nominated, either pre- or post-Veto.

The next episode of Big Brother 16 airs Sunday at 8 p.m. ET/PT on CBS, featuring the HOH competition, Schroeder and Lloyd's special moment and the Nomination ceremony.

Tags: Big Brother Reality TV CBS