Black women, why do so many black women marry white when they get to hollywood? Are black men not good enough

There is Iman, eartha kitt, diana ross, tina turner, venus and serena williams, vanessa williams, erica alexander, janet jackson (before jermaine), sade, alfre woodard, garcelle beauvais, tyra banks, naomi campbell, victoria rowell, whoopi goldburg, latoya jackson and so many many other black women are dating and marrying white in hollywood, like why dont they find black men, I just dont understand. Its like when we get to hollywood we turn into sellouts, just like black men, whats up with that. (Like our own kind isnt good enough anymore).