The actress is 12 years older than her new man, so add her to the list of Hollywood's hottest cougars!
Where did he come from and what does he do for a living?
Christmas is over and all the present-buying is complete for another year.
Which means it's time to treat yourself, right?
The 5ft10in Dern appeared to be very giggly as she walked alongside the 6ft3in two-time NBA All-Star player.
At one point Dern looked down and put her hand up to her mouth as she tried to hide her smile.