Lauren Jauregui premiered three brand new songs whilst supporting Halsey on tour last night (June 6) in Brazil.

The tracks were "No Expectations", "Inside" and "Toy", and gave fans a taste of what's in store for them on her debut solo album.

The Sao Paolo concert was Jauregui's first-ever solo concert performance and was part of Halsey's Hopeless Fountain Kingdom Tour.

Taking to Twitter afterwards, the Fifth Harmony star replied to a follower about "Inside": "Thank you baby that was the first song I wrote and has a huge part of my heart in it so this means a lot"

Tweeting about "Toy", she revealed: "I can’t wait till you guys know the actual lyrics. That’s truly one of my absolute faves."

The unveiling of the brand new Jauregui tracks was met with such excitement that it caused #Lauren to trend on Twitter worldwide.

Listen to the three songs below: