The solo singers, who competed in the current series of the ITV talent show, looked rather chuffed to be together again - and they've even dubbed themselves "PaYvi"!
Sharing a photo of the trio today, former Royal Navy fitness instructor said: "Awesome seeing my brothers last night! @thesteviritchie @paulakister #PaYvi #threeamigos we were very honoured to attend & play a brilliant private event together!
Last week, dad-of-one Stevi bowed out of the competition after losing out in the sing-off against Andrea Faustini.
Louis Walsh's group Only The Young were also voted off in a surprise double elimination weekend. Paul and Jay were voted off in week five and six.
X Factor continues this weekend with the remaining five acts - Andrea, Lauren Platt, Ben Haenow, Fleur East and Stereo Kicks - who will all perform a total of two songs.
As part of Jukebox week, the public had the power to choose one of the two songs the acts would sing.
Reveal is now on Google Plus! Join us here for the latest pictures, fashion and celebrity news!