What's the Kennection? #98

What Georgy Girl actress went up against her sister Vanessa for the 1965 Best Actress Oscar?

At her 1986 marriage, who became Duchess of York, Countess of Inverness, and Baroness Killyleagh?

What American Idol alum sang "And I Am Telling You I'm Not Going" on her eponymous 2008 debut album?

On her 2003 reality show, who asked her then-husband "Is this chicken, what I have, or is this fish?" about Chicken of the Sea tuna?

Since 2009, who has been America's only black billionaire?

What's the "Kennection"?