For those who are wondering if it has happened...
Rio Olympic Omnium bronze medalist Jolien D’hoore:
https://www.blsglobal.net/int/interview-jolien-dhoore/
I'm 99% sure that she rode them in IP in the Rio Olympics. Being that it's been so long, googling for images from her ride at Rio is hit or miss.
I'm not really up on where to find good photo galleries or videos to find more examples.