The Twilight actor said that 99 per cent of the things he reads about himself are made up, with the Nirvana rumour being one of them.
The 24-year-old told The Mirror that although he's a massive fan of the band, he would not feel comfortable in the role.
'Sometimes these things just appear. I love Nirvana, but I love them a bit too much – I'd be embarrassed,' he said.
'And you see all these comments, like from Courtney Love, saying 'What the f*ck! He's totally wrong for it', and I'm like, 'I f*cking said no, you d*ck! I didn't get offered it. For one thing, I'm too tall, and I can't sing like him, I'm nothing like him!' It's ridiculous