United Kingdom, Aug. 25 -- Gavin Rossdale is forever"grateful" to late Mastodon guitarist Brent Hinds for talking him out of taking "fatally dangerous" Xanax again.

The Bush frontman has spoken candidly in the past about how he was addicted to the anxiety medication for years and that a conversation with the heavy metal star - who tragically died in a motorcycle crash, aged 51, on August 22 - stopped him from relapsing.

Reacting to the sad news of his passing, Gavin penned on Instagram alongside a picture of the pair: "We lost Brent .this is just terrible and useless . What a musician . And he was directly responsible for stopping me on a self sabotage back to the fatally dangerous world of Xanax when our paths crossed that i had alread...