Probably two different girls. They have been merged and then split again before. Although I don't have good material to be sure.
same girl!? 26941/jacky-3
Next try: img215.imagevenue.com/img.php?image=317482721_08_32Kristin18_123_228lo.jpg
Splitted the page from 26941/jacky-3
She was in the german Bravo 32/2008:img188.imagevenue.com/aAfkjfp01fo1i-30737/loc585/452775560_08_32Kristin18_123_585lo.jpg
Sister of http://www.indexxx.com/models/26941/jacky-3/ ?
All models are at least 18 years old.