Iggy Azalea has spoken about her celebrity best friend Demi Lovato's surprising revelation that she has relapsed after six years of sobriety. 

Iggy Azalea On Demi Lovato's Relapse

The "Kream" rapper admitted in a new interview that she knew about her condition long before the pop diva released "Sober," her hit new single through which she apologized to her loved ones and her fans for returning to her destructive old habits. 

"I had known about it, as a close friend," said the Australia-born artist. "So I had really wanted for her to be the one to tell people that. And I worried a lot, as a friend, that something was going to leak or somebody would somehow take that and use it negatively against her, or to make her seem like she's got a secret."

Rumors that Lovato has fallen out of the wagon began months ago when she was spotted seemingly holding a drink at a party also attended by Hayley Kiyoko. At the time, the 25-year-old dismissed the rumors and said that she was drinking a non-alcoholic beverage. 

This was after she celebrated six years of sobriety with an emotional message on Instagram. 

Azalea did not say how long her friend has been keeping the secret from fans, but she said that she is really proud of the singer for admitting that she needed help. 

"I was just really proud of her that she was honest, because it's really hard to be honest with yourself," said the "Fancy" rapper. "So, to be honest with the whole world, [to share] something that you struggled with very publicly, it's something that is very admirable."

Demi Lovato Fires Longtime Manager

Despite her relapse, Lovato is hard at work performing in front of fans as part of her ongoing tour. According to The Hollywood Gossip, the "Sorry Not Sorry" singer recently fired her manager, Phil McIntyre, with whom she has been working with for years. 

A source revealed that the former Camp Rock star made the decision to part ways with McIntyre because she wanted "to go in a different direction." No one could say what Lovato has planned for the next couple of months. 

Neither the singer nor her former manager has publicly addressed the split as of this writing. 

The troubled young artist has also previously parted ways with her life coach, Mike Bayer. Based on both camps' recent posts, they are not in very good terms.