Cory Monteith Supported By Glee Co-Star Mark Salling

Mark Salling says Cory Monteith's decision to enter rehab was 'very brave'

Cory Monteith's Glee co-star Mark Salling has spoken out in support of the actor, who checked himself into rehab last week.

Salling, who plays Puck in the hit singing show, told American Magazine Us Weekly that Cory's decision to seek help was 'very brave'.

READ: CORY MONTEITH ENTERS REHAB SUPPORTED BY LEA MICHELE

'It takes balls to go through that privately, but to go through it publicly like that - balls,' he said.

The actor revealed the Glee cast have been supporting Cory with 'nice texts' as well as tweets 'here and there.'

Last week a spokesman confirmed Cory Monteith had checked himself into rehab, with the full support of Glee girlfriend Lea Michele.

In an official statement to American magazine People, it was revealed the Cory Monteith 'has voluntarily admitted himself to a treatment facility for substance addiction'

Cory's spokesman said: 'He graciously asks for your respect and privacy as he takes the necessary steps towards recovery.'

Lea Michele said: 'I love and support Cory and will stand by him through this,' she said. 'I am grateful and proud he made this decision.'

The 30-year-old actor, who first entered rehab aged 19, has been open about his battles with substance abuse in the past.

WATCH: Cory Monteith and Lea Michele hit the red carpet…

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READ: CORY MONTEITH ENTERS REHAB SUPPORTED BY LEA MICHELE