From what can be found on the Internet, "Pasha" with the blue-ish Bikini top is a Canadian model (imdb currently has a still image from the video. To see it, click on "Version 1" below and then look into the "Links" section on the right side - there's the IMDb Link).

But there are many girls in the video and most were probably booked for the shooting day.
And there are two versions of the video:
Nelly 'Hot in Herre' Version 1
Nelly 'Hot in Herre' Version 2