One day after Iggy Azalea publicly confirmed her relationship with NFL star DeAndre Hopkins ... Iggy is taking it back -- now saying she's very much single.
Iggy was a guest on Y100 radio in Miami on Wednesday and played a game of "Truth or Dare" -- where she was asked if the rumors about dating the Houston Texans WR were true.
"Yeah, we're in a relationship," Iggy said.
But, hours later, Iggy went on Twitter and shut down ... herself ... saying, "I'm single.