Which celebrity's clothing line logo contains a hidden mathematical reference that reflects their educational background?

Many celebrities have ventured into retail with their own product lines and brands. Behind some of these famous logos are clever design elements or hidden meanings that reflect the celebrity's personal brand or story. Test your knowledge about these celebrity retail logo designs and see if you can spot the intentional details that make them unique marketing tools.

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Jessica Simpson's 'JS Collection' (incorporates a Golden Ratio spiral)
Natalie Portman's 'Téthys' (includes the symbol for pi)
Ashton Kutcher's 'Pickwick & Weller' (features binary code elements)
Karlie Kloss's 'Kode With Klossy' (incorporates brackets from coding syntax)