Katy Perry makes first post-split public appearance Perry returned to work earlier this month to play a string of shows in Asia he 27-year...

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Katy Perry makes first post-split public appearance

Perry returned to work earlier this month to play a string of shows in Asia

he 27-year-old singer held hands with best friend Markus Molinari on the red carpet

The blue-haired singer was also on hand to support protege Ferras at Sin City's 1oak club

Paris Hilton shone in a black and silver sparkling number at the event

She may be in the midst of a divorce, but Katy Perry is clearly deciding to get on with her life.

The 27-year-old singer made her first public appearance since Russell Brand filed for divorce on December 30.

Blue-haired Katy turned up in Las Vegas last night to support her jewellery designer friend Markus Molinari at a charity event.

The pop star looked stunning as she posed for pictures with her pal at The Mirage Hotel's new 1oak nightclub in Sin City.

She wore an snug embellished mini-dress and sexy, sky-high stiletto sandals.

The outfit was fairly mundane compared to her usual ensembles, but her Smurf-blue hair added more than enough colour to balance out the rest of her look.

However, she didn't add any extra accoutrements to her outfit aside from a small, simple pair of earrings.

Even fellow guest Paris Hilton noticed how lovely the singer looked, and commented on it via Twitter.