Pop Quiz! What Do Caitlyn Jenner, Selma Blair and David Foster Have in Common?

At a table inside of West Hollywood hotspot Craig's, Foster, Blair (currently starring in 'The People v. O.J. Simpson') and Jenner — all connected in a bizarre, familial web — were spotted exchanging greetings.
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Caitlyn Jenner, Selma Blair and David Foster

This story first appeared in the April 1 issue of The Hollywood Reporter magazine. To receive the magazine, click here to subscribe.

Regulars at the West Hollywood hotspot Craig's practically had to take out slide rules in order to figure out the familial trigonometry going on at one table on a recent evening. A source tells THR that music producer David Foster was dining with actress Selma Blair when Caitlyn Jenner sat down to say hello.

Connect the dots: Blair stars in the FX mini­series The People v. O.J. Simpson, playing Kris Jenner, who was married to Caitlyn back when she was Bruce. Before Bruce was married to Kris, he was married to Linda Thompson. They divorced in 1986, and Thompson ended up remarrying — to Foster.

"You can't make this stuff up," snickers one Craig's regular.