SIMON Cowell's girlfriend left little to the imagination as she ditched her bra and wore a see-through top for The X Factor live show last night.
The beauty chose a sheer black and red spotted shirt for the outing and teamed it with tight red trousers.
She was pictured leaving the studios where the show is filmed in north London with Simon and appeared unaware of her wardrobe malfunction.
Lauren was seen smiling as she headed to a car with Simon, who affectionately placed a hand on her back.
She had come out to support The X Factor judge as the competition continues to heat up.
Simon put on a brave face after losing another contestant last night as his singer Sam Lawrie, 17, was voted off.
He smiled for the cameras and flashed a defiant peace sign.
Sam lost out following a sing-off with Nicole Scherzinger's act Ryan Lawrie, 20.
The sing-off prompted debate among fans who were convinced fellow judge Sharon Osbourne changed her mind at the last minute to vote Sam off.
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