Kirsten Dunst and Jesse Plemons Welcome Baby Boy Sources told ‘People’ the two welcomed “a healthy baby boy” over the weekend. Dunst and her fiancé Plemons were engaged at the end of 2017, and she first revealed her pregnancy in Rodarte’s Fall Winter 2018 portrait series. The ‘Hidden Figures’ star met Plemons in 2015 on the set of the FX drama series ‘Fargo.’ Plemons told PaleyFest at the time he “loved Kirsten’s work for a long time” and “she’s a great person.” This is the pair’s first child together.