Kate Middleton and Prince William really wowed at an event at Kensington Palace ahead of their tour of India and Bhutan. We love the royals in royal blue!

The royal couple will be embarking on their trip next week. It will be the couple's first official trip since they visited NYC in 2014. For Wednesday's event. William donned a regal blue suit, while Kate selected a "Mary Illusion dress" by Indian designer Solani.

Kate knows that all eyes will be on her when the twosome visit New Delhi, Kaziranga National Park, Bhutan, and the Taj Mahal, where spot Princess Diana once made an iconic visit.

We can't wait to see what comes out of her fabulous closet during the trip!

The six-day trip has 21 engagements and Kate is slated to have picked out 15 outfits for the various events. A palace source tells Us Weekly that the her wardrobe is brimming with “colorful, flowy dresses; fitted jeans and trousers; and a lot of casual fits."

Apparently, Kate’s private secretary, Rebecca Deacon, traveled to the region in February to do some style research. The insider says, “She took note of the colors of each local setting, lighting and sunset times.”

The source added that Deacon then created a “look book" outlining "every minute of the visit." The Duchess will likely mix her favorite labels Temperley London and Alexander McQueen with native designers for the tour. The insider says, “It’s tradition for royals to embrace local designers on foreign trips.”