Dubliner Ray Shah came second on the reality TV series back in 2003 and he joined Rebecca and Brendan on 98FM's Big Breakfast ahead of the new series kicking off this Sunday.
He spoke to them about what it's really like in the house, what really happened under that duvet and advice for contestants of the new series.
Tune into 98FM’s Big Breakfast with Rebecca & Brendan weekday mornings from 7am ⏰