Natalie marrying rival even though you have a yellow heart

[Evaren]

Can your chosen bachelorette marry Pierre even if you have most of the hearts

[Getaris]

He’s just that irresistible

[Kam]

yes, if you see all the events. it takes 4 years for that to happen and it's really easy to get her to orange or red well before that, though, so the likelihood of that happening is pretty slim, unless you completely ignore her like 90% of the time