Designer Thrilled With Britney

American designer Barbara Horowitz is crediting Britney Spears for turning her dream into reality - by buying her first batch of three-way T-shirts.

The former modelling agent for Charlize Theron was thrilled when the pop superstar loved the stylish tops, which Horowitz makes from cutting up men's T-shirts.

She says, "I had a roommate working as a stylist on "Crossroads" and she showed Britney my T-shirts.

"I made a bunch of them and she took them on the set and Britney Spears purchased the first three tees that I ever made."

The tops have become must-have fashion items for many teenage girls.