The fashion designer, who is married to footballer David Beckham, said that 10-year-old Brooklyn, 7-year-old Romeo and 4-year-old Cruz all have completely different hobbies and interests.
Beckham told Ryan Seacrest on his KIIS radio show: "They are so different. I mean you've got Brooklyn who is a real boy, he's turning into a teenager. It takes him quite some time to do his hair in the morning before he goes to school.
"Then we have Romeo who loves fashion. He likes to go out in a suit with a bowler hat... he's a real fashion lover.
"And Cruz just wants to break dance every opportunity he gets."
Beckham is believed to have been offered a job as a stylist to contestants on American Idol following her stint as a guest judge on the reality music show.