The site www.myleeneklass.tv, which is set to launch this summer, will deliver free to view video content for young mums and dads.
According to British newspaper the Daily Mail, she said: 'As a young parent I know how daunting as well as incredibly exciting it can be to be a new mum.
'It's great to be able to share experiences. We aim to pool the best advice from the most trustworthy sources without being too worthy or pompous.'
Klass, 32, who is expecting her second daughter, writes a monthly column for British magazine Prima Baby.