Pharrell Williams married his model girlfriend yesterday.

The Blurred Lines rapper and Helen Lasichanh tied the knot in Miami on Saturday, according to Us Weekly.

Famous friends turned up to celebrate with the 40-year-old and his stunning new bride.

"Usher and Busta Rhymes did a mini concert at the wedding," a source told the magazine.

"It was so fun. The little concert was amazing. It [was] the most fun wedding I've ever been to."

However, Pharrell made sure his own tunes were also heard on his big day.

"Of course they're playing some of [Williams'] hits tonight," another insider added.

In 2008 Pharrell and Helen welcomed their son Rocket Man into the world.

The star relishes being a father to the five-year-old.

"[He's the] best song that I've ever co-written," he recently gushed.

"It's awesome," he said of his family. "I can't tell anyone what to do. I can't give anyone relationship advice. But the bestie thing is awesome. Every night is like a sleepover."

As well as producing hits, Pharrell is known for his successful fashion ventures.

The star has his own clothing lines, Billionaire Boys Club and Ice Cream, is working on a fragrance and has released a range of sunglasses with Moncler.

"I think functionality is the coolest thing ever. You know, like when you're in England and like, you know, the person has on, like, wellies and it's raining outside, it's so cool," he shared at the sunglasses launch. "The colour’s cool, but what's cooler than that is the fact that they're dressing accordingly. Probably what I'm doing, wearing them on the inside - that would be number one. I feel like when people wear sunglasses and there's no sun, it's kind of ridiculous - like myself."

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