Due to the rising trend of celebrities-turned-fashion designers, it was only a matter of time before they began teaming up. And last night Nicole Richie and Pete Wentz joined forces for a fashion show.

The “Simple Life” cutie and the Fall Out Boy rocker got together for the House of Harlow/Clandestine Industries and Switch Boutique Fashion Show at Boulevard3 in Hollywood.

Always happy to pose for the paparazzi, Nicole looked lovely in a black maternity top with a grey shirt layered over top, while Pete sported a black v-neck sweater with black jeans and black sneakers.

And there were plenty of beautiful people meandering around the venue including R&B star Eve, Tyga, Robin Antin, and Sara Paxton.

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Enjoy the pictures of Nicole Richie and Pete Wentz at the House of Harlow party (June 4).