The tweet also made fun of the EU referendum as Greening campaigned to remain. David Cameron, who released a Pride celebration video, replied to Greening's tweet, writing, "Congratulations Justine - thats great news."
Today's a good day to say I'm in a happy same sex relationship, I campaigned for Stronger In but sometimes you're better off out! #Pride2016— Justine Greening (@JustineGreening) June 25, 2016
PM: Congratulations Justine Greening on your announcement – that's great news. #Pride2016 #LoveWins — UK Prime Minister (@Number10gov) June 25, 2016Nicky Morgan MP also replied and said, "Delighted for you both. Happy #Pride2016".
Amazed and overwhelmed by all of your messages of support, really very much appreciated! — Justine Greening (@JustineGreening) June 25, 2016She said, "Amazed and overwhelmed by all of your messages of support, really very much appreciated!" More stories: Making history: Prince William appears on the cover of Attitude Liam Gallagher slammed for homophobic tweet just days after Orlando shooting