First came news that Lady Gaga had given uber icon Cher a song that she had written, which will be the lead single for her upcoming album. Cher tweeted giddily about that. It seems fans were asking Cher on Twitter if Gaga was on the song and Cher said that she wasn’t. Looks like word got to The Gaga as it’s now become a duet. The song, The Greatest Thing, is a super upbeat extremely catchy song. It was already destined to be a sure fire hit for Cher. Now with the addition of The Gaga, it’s already written in stone! The gays are going to explode!