You just take shit pictures. Low angles, sometimes LOWER than the cat, plus bokeh [portrait mode on a phone]. Pay attention to your background and composure.
In each picture on top the lens is the same level or lower as the cats eyes.
en, your mileage may vary on portrait mode. fur is what is struggles the most with. personally I’d go for getting close and letting the natural depth of field shine through for what it’s worth. most phones are at like an f:/2.8. they can have natural bokeh, they’re just ultra wide angle so you gotta get close.
it may just be me, but those wonky edges make it look worse than if it just didn’t have the effect at all.