The Let Me Entertain You star had Barbra down as a nice old lady while the Funny Girl actress and showbiz icon thought that Robbie was a footballer when they met on the island of Tahiti.
The former Take That member recalls his first meeting with the Funny Girl songstress during a getaway, admitting he thought she was just a nice old lady on holiday.
Robbie Williams met Hollywood star Barbra Streisand on holiday didn't know who she was dailystar.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailystar.co.uk Daily Mail and Mail on Sunday newspapers.
The former Take That star, 48, looked happy and relaxed as he kicked back in the garden, wearing just a miniscule pair of Calvin Klein underpants on Tuesday.
Robbie Williams to allow cameras back into his home after 20 years for new biopic dailystar.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailystar.co.uk Daily Mail and Mail on Sunday newspapers.
Robbie Williams to star in tell-all documentary about his life and career - The Number One music magazine feat. band & artist news, reviews, interviews, videos & gossip UK & worldwide.
The former Take That star, 48, is attempting to break into the crowded health and beauty market with his the line of cleansers and moisturisers, it has been claimed.