Jennifer Lopez puts on a VERY busty display in cut-out top and semi-sheer skirt as she steps out with boyfriend Casper Smart at fashion bash

She is hardly the shy and retiring type.

So it's perhaps fitting that Jennifer Lopez should turn heads when she attended a fashion party in LA on Friday - in a cleavage-enhancing cut-out top and pleated skirt.

The 46-year-old wowed onlookers at the Olivier Rousteing & Beats gathering with her busty display, which certainly indicated that she'd dressed to impress.   

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Looking good: Jennifer Lopez wowed onlookers at Olivier Rousteing & Beats' star-studded gathering in LA on Friday with her busty display as the designer celebrated his 29th birthday

Looking good: Jennifer Lopez wowed onlookers at Olivier Rousteing & Beats' star-studded gathering in LA on Friday with her busty display as the designer celebrated his 29th birthday

Cute couple: Posing up a storm with Casper Smart, she looked every inch the leading lady in her sexy cut-out ensemble

Cute couple: Posing up a storm with Casper Smart, she looked every inch the leading lady in her sexy cut-out ensemble

The brunette beauty, who first rose to fame in the Janet Jackson video That's The Way Love Goes, cut a demure figure in her choice of attire.

Flaunting her ample bosoms, the screen star was evidently in a mood for statement style.   

Keeping it classy with a rigid clutch bag and a chunky belt, the New Yorker added extra sass with a side-parted bob, which framed her face.

Sexy: Keeping it classy with a rigid clutch bag and a chunky belt, the New Yorker added extra sass with a side-parted bob, which framed her face.

Sexy: Keeping it classy with a rigid clutch bag and a chunky belt, the New Yorker added extra sass with a side-parted bob, which framed her face.

Posing up a storm with Casper Smart, she looked every inch the leading lady.

However, he was also synchronised into her jet-black look, wearing a colourless outfit which consisted of denim, a leather jacket and boots. 

He looked pretty pleased with himself as he cosied up to his brunette beauty at the event which was also attended by the Kardashians, Justin Timberlake and Cara Delevingne.  

Strike a pose: Jennifer and a male friend cosy up for the camera in a flattering - albeit pouty - pose 

Strike a pose: Jennifer and a male friend cosy up for the camera in a flattering - albeit pouty - pose 

The two-time Grammy nominee is currently featured on one of eight covers for Interview's September 'selfie' edition. 

Lopez is set to return as judge for the 15th and final season of American Idol, premiering January on Fox.

And the Feel the Light pop diva won't kick off her 20-show Las Vegas residency at the AXIS in Planet Hollywood until January 20.  

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