Trust Paris Hilton to have a life-sized mosaic portrait of herself in the hallway of her home, and Katy Perry to pretend to worship it before giving it a cheeky kiss on the lips.

At least, this was the scene at a fun-filled girls' night in at the socialite's luxurious abode in Beverly Hills over the weekend, which saw the likes of fellow star guests Bella Thorne, Sofia Richie and Iggy Azalea in attendance.

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After all, why go out when you have a nightclub at home (FYI, Hilton really does have a nightclub installed in her mansion)?

The 36-year-old entrepreneur shared images of the group's wild evening in a series of posts on Instagram, which included Perry posing next to a cardboard cut-out of the blonde star, Hilton singing alongside Richie, and Thorne admiring Hilton's humongous shoe closet.

I mean, who can blame her?

She captioned the pictures: 'Last night was #LitAF ! Had the best time with my beautiful girls @TheNewClassic @SofiaRichie @KatyPerry @BellaThorne @ChiaraFerragni #GirlPower.'

Hilton also posted a clip of Perry stroking her impressive portrait, made up of even smaller images of herself (of course ), with Perry cooing: 'A mosaic of my Queen... Paris... goodnight, Queen.'

The heiress added the caption: 'Waking up to this today made my day Love you @KatyPerry! You are such a beautiful magical #Queen!'

An over-excited Perry – who is scheduled to release new music with DJ Calvin Harris next month – was also given a tour of Paris' incredible dog house, which the Roar singer declared she was going to move in to.

What a night...

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Naomi Gordon

Naomi Gordon is news writer mainly covering entertainment news with a focus on celebrity interviews and television.