You can now team up with Noctis in this special collaboration event, where you can get The Regalia as a Mount, glamour items and experience some cool stuff
The event is live now and will run through until 27th May.
Trailer below showcases the stuff visually that you can do!
For more detailed information check it out here: https://eu.finalfantasyxiv.com/lodestone/special/ffxv/
Source: The Full Service Agency Press Release