"I said to him, 'You man up. You're fortunate because you're in a position to be able to look after the baby and not worry too much about that.'" Cowell recounted, referring to the 23-year-old singer's wealth.
"I also told him, 'I've received bad calls in my life but this is not one of them. This is your business but I'm here for you,'" Cowell added.
The former American Idol judge also shot down rumors that Tomlinson's impending fatherhood will damage the band's image of being family friendly.