2 The nations will see your vindication, and all kings your glory; you will be called by a new name that the mouth of the LORD will bestow.

Read Isaiah 62:2 Using Other Translations

And the Gentiles shall see thy righteousness, and all kings thy glory: and thou shalt be called by a new name, which the mouth of the LORD shall name.
The nations shall see your righteousness, and all the kings your glory, and you shall be called by a new name that the mouth of the LORD will give.
The nations will see your righteousness. World leaders will be blinded by your glory. And you will be given a new name by the LORD ’s own mouth.