The bull-dyke look was probably just to make her look like she has a brain instead of just being a toy for rich older men (after a close-up someone posted a few weeks back, I don’t think young men would be interested; she looked “worn”).
—”I don’t think young men would be interested; she looked “worn”.—
I have no specific information, only my impression that Kelly was going for the look used by actress Robin Wright in the Netflix original series, “House of Cards,” which is extremely popular with millenials of both sexes. A search of images of the two women leaves me no doubt.
She may be trying to associate herself with the dead serious influence which that character earns over the course of the series.