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Kim Kardashian, Instagram

Instagram

Now here's one way to make a colorful splash, alright.

Her new mommy wardrobe may mostly consist of black, white and neutrals but Kim Kardashian's bikini collection during her trip to Thailand is already proving to be quite bright.

On Monday the E! star modeled her latest bikini in two snapshots and a slow-motion video via her Instagram account. The $140 orange and blue color-block two-piece is part of the Australian label N.L.P by designer Nikki Lee Penny. The star tied a simple black cover-up around her waist, which matched the top's black side panels.

Khloe Kardashian, Kendall Jenner, Instagram

Instagram

The day before the star was seen shooting Keeping Up with the Kardashian's in a periwinkle blue bikini with complementing cobalt cover-up.

Also on the family vacation, sister Khloe Kardashian opted for an equally sexy one-piece swimsuit by Stampd Los Angeles, which read "East Coast." She paired the look with a bejeweled sailor's cap.

Not to be left out, Kendall and Kylie Jenner have been rocking their own very cool, two-piece styles as well. Kendall opted for a printed string bikini (top, right) and Kylie donned a vibrant green number (below).

Kylie Jenner, Thailand

AKM-GSI