Either she’s had liposuction or those photos are shopped. Look how slim she is! Appears skinny as a rail.
You're right.
As noted HERE, we have a photo of the Royal Rump taken less than a week before her gala Platypus Prance. Without question, the Disney animators, the best in the world, worked their magic on the Mighty Moose!
That, and, of course, upholstery fabric is not always the most flattering material to enhance a person's dainty physique.