Kim Kardashian has shown off her curves in a sexy swimsuit for a Skims campaign on the side of a huge double-decker bus.

The 42-year-old was seen rocking a neon-green cut-out swimsuit as she sprawled next to a pool in the raunchy image.

New photos showed Kim’s sexy image plastered across a huge bus in Los Angeles.

The mother of four still had her blonde hair in the snap and framed her features with oversized sunglasses.

The campaign promotes Kim’s new collection of swimwear for Skims, which she launched in February.

In other snaps from the campaign, she was seen straddling a motorcycle and posing with silver alien figures.

Meanwhile, fans have been praising Kim in recent weeks over her apparent weight gain.

One fan wrote on an online thread: “I might just be delusional… but I think Kim is getting a bit curvier again.”

Another fan replied: “You aren’t,” before adding, “She started putting on weight (no shade, I think she looks healthier).”

She began losing weight in May, when she dropped 16 pounds in three weeks to fit into Marilyn Monroe‘s dress for the Met Gala.

Last year, an insider said: “She’s the skinniest she’s ever been and barely sleeping.”

The source added that she plans to drop two more pounds so she can be under her goal weight.

The insider said that Kim “does not want to put on weight as she thinks she has never looked better than now. She loves how skinny she is and wants to stay this way.

“She is saying she plans on losing another two pounds because then she’s under her ideal weight and it won’t matter if she fluctuates a little.”

DRASTIC DIET

The source added that Kim – who lost 21 pounds over the summer – is “surviving on chia seeds and raw vegetables to maintain the weight loss.”

“I’m told she starts the day with collagen, then has breakfast every day of ‘chia pudding,'” they said.

“She calls it that but it’s basically just chia seeds mixed in with her nutritional powders and 1/2 liter of water – because it fills her up and has no calories.

“Then it’s an avocado salad at lunch – she’s ‘allowed’ one avocado a day with almost a whole lettuce – again trying to fill up on the lettuce as it has no calories.

“Then a tiny dinner of just veggies – sometimes just raw. Her only dressing is lemon juice.”

They claimed Kim’s diet is so rigid that she has a separate fridge from her four children – North, nine, Saint, seven, Chicago, five, and Psalm, three.

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