United Kingdom, June 23 -- Ariana Grande's One Love Manchester concert proved to be a turning point in Frankie Grande's addiction battle.

The 43-year-old star is the older half-brother of Ariana, 32, and he's explained how her benefit concert in Manchester in 2017, following the deadly bombing at Ariana's concert at the Manchester Arena two weeks earlier, changed his own life.

Speaking to People, Ariana explained: "I still look back at the One Love Manchester concert and I just felt so useless and so disconnected from my family at a time where I just wished that I could be connected to them.

"I don't think it's a coincidence that it was a few weeks after One Love Manchester that I checked into rehab.

"I used to be able to drink and us...