French footwear star Christian Louboutin has filed suit against rival Yves Saint-Laurent in New York, alleging a deceitful use of red soles on YSL‘s women’s shoes.

The million-dollar suit for “trademark infringement, unfair competition and false designation of origin” filed on Thursday in Manhattan claims Louboutin was the first to come up with the idea of a scarlet sole on its luxury heels.

Louboutin — whose glam footwear was a focus of conversation on the TV series “Sex and the City” — charges that YSL’s use of red soles amounts to deception.

Designers Studio XAG have created a window installation in London for fashion designer Christian Louboutin, spelling out the brand name in bright neon lettering.

The window is furnished with a neon arrow and an array of backlit oversized perspex letters decorated with bulbs.

Christian Louboutin teamed up with photographer Khoung Nguyen for his Spring Summer 2011 lookbook titled “Louboutin Spring Summer Tour”.

The Christian Louboutin Rollerboy Spikes has been unveiled in a new beige suede for Spring/Summer 2011.

French Luxury Shoemaker Christian Louboutin plans to open two stores in China next year, propelled by the rising incomes of Chinese shoppers.

The first-ever Beijing standalone store is slated to open in July 2011, followed by a Shanghai boutique in December 2011.

Louboutin said in a recent interview with Bloomberg that he may operate as many as five stores in China in the next three years.

Business-wise, it’s a smart move. China, the world’s second largest luxury goods market, is expected to become the biggest market in the next five years.

Nearly 8,000 customers across America weighed in on 23 designer shoes in the online Footwear News Sexy Shoes contest.

The winning pair, by French footwear designer Christian Louboutin, was revealed during a special event on October 14 at the upscale New York department store Saks Fifth Avenue.

Louboutin took the grand prize for his Swarovski crystal-embellished Maralena mesh peep-toe pumps ($2445).