PARIS, June 20 (Reuters) - For his debut collection at Louis Vuitton, Pharrell Williams drew his global audience to the Pont Neuf bridge in Paris, kicking off his tenure as creative director of menswear with a celebrity-packed outdoor show that further anchored the LVMH-owned label in popular culture.

Models strode across a runway to live music, parading pearl-embellished tracksuits, furry outerwear and sparkling jackets with checkmarks in all colors and sizes. An audience gathered along the Seine River craned to catch a glimpse of the show which continued LV's approach of mixing street style with luxury.

"I'm the second Black man to ever experience this on the planet, the biggest fashion house in the world," Williams said in an interview before the show, referring to his job since February.

Best known as the singer and writer of pop hits "Happy" and "Blurred Lines," 50-year-old Williams ended months of speculation by filling the shoes of his friend Virgil Abloh who held the job from March 2018 until his death in November 2021. Abloh had been the industry's highest profile Black designer, credited with forging a place for street style and loose skateboard looks in high-end fashion.

"My brother Virgil was the first. He made so many strides for the house, and did so many things. He brought skate culture into this world - while being an American Black man. It's unreal the fact that I get to do this as well," said Williams.

LVMH Chairman and Chief Executive Bernard Arnault and his family, whom Williams has known for years, have been "extremely supportive" in his new role, Williams said. Arnault and his children, all of whom hold important positions in LVMH, were seated in the front row.

Williams was first introduced to the Arnault clan in a collaboration to design sunglasses with Louis Vuitton designer Marc Jacobs in 2004.

Williams' appointment raised eyebrows despite his extensive fashion experience, including founding streetwear brands with Japanese designer Nigo and designing capsule collections at Chanel.

Williams brushed off skeptics who question his lack of formal fashion training. "I also didn't go to Juilliard for music and I'm doing OK," he said.

"The significance in terms of symbolism is great," said HSBC analyst Erwan Rambourg, noting that while many labels talk about diversity and inclusion, Williams' appointment was "taking a stance."

However, menswear represents less than 5% of LV's annual sales of over 20 billion euros ($21.82 billion), Rambourg estimated.

Robert Schramm-Fuchs, portfolio manager at Janus Henderson, an LVMH shareholder, said the group's push into the cultural realm could help broaden the luxury brand's appeal.

Given the large size of LVMH, the sheer number of new customers it must attract to move the needle is much higher than for smaller brands, Schramm-Fuchs said.

"If you bring in lifestyle and things like that, you have to be careful to keep it inclusive and not alienate existing customer groups," he added.

"That's the challenge, and for now they are managing it very well." ($1 = 0.9164 euros) (Reporting by Mimosa Spencer; Additional reporting by Helen Reid; Editing by Vanessa O'Connell and Richard Chang)