Kirsten Dunst and her fiancé Jesse Plemons throw a joyous petting zoo-themed birthday for their one-year-old son Ennis By Brian Marks For Dailymail.com Published: 04:09 BST, 5 May 2019 | Updated: 05:17 BST, 5 May 2019 Viewcomments They welcomed their son into the world a year ago. Kirsten Dunst, 37, and her fiancé Jesse Plemons, 31, turned their Los Angeles home into a petting zoo on Saturday to celebrate little Ennis' big day. The acting couple brought in bails of hay and a variety of barn yard animals for the joyous party. Family gathering: Kirsten Dunst, 37, and her fiancé Jesse Plemons, 31, turned their Los Angeles home into a petting zoo on Saturday to celebrate little Ennis' big day Kristen rocked a western look for the birthday bash, wearing a pale pink blouse with white shoulders and a black neck bow. She added a flowing black skirt to the look that highlighted her fit gams. The 5ft7in beauty had her blonde tresses down over her shoulders and wore a pair of clear frame sunglasses. She wisely switched footwear during the party with farm animals, switching from a pair of black strap sandals to black and white saddle shoes. Farm look: Kristen rocked a western look for the birthday bash, wearing a pale pink blouse with white shoulders and a black neck bow Beaming: She added a flowing black skirt to the look that highlighted her fit gams Blonde beauty: The 5ft7in beauty had her blonde tresses down over her shoulders and wore a pair of clear frame sunglasses Trucker vibe: Jesse was dressed more casually in a gray–blue button down shirt, a pair of dark jeans, and a turquoise trucker hat Jesse was dressed more casually in a gray–blue button down shirt, a pair of dark jeans, and a turquoise trucker hat. The Breaking Bad actor helped carry in bails of hay for the animals as they prepared for the party. Baby Ennis spent much of the afternoon in his mother's arms while he admired the vast array of balloons and animals. Fittingly for the animal-themed day, he had on a white shirt with an image of an American Cocker Spaniel. Helping hand: The Breaking Bad actor helped carry in bails of hay for the animals as they prepared for the party Fun time: Baby Ennis spent much of the afternoon in his mother's arms while he admired the vast array of balloons and animals Cute: Fittingly for the animal-themed day, he had on a white shirt with an image of an American Cocker Spaniel Smart: The Beguiled star wisely switched footwear during the party with farm animals, switching from a pair of black strap sandals to black and white saddle shoes During the festivities, an animal wrangler could be seen pulling in an adorable milk chocolate alpaca and a gray sheep shorn of its fur. Both animal buddies had on purple and white kerchiefs tied around their necks. The party also featured a white duck and a fluffy brown rabbit. Fluffy guests: During the festivities, an animal wrangler could be seen pulling in an adorable milk chocolate alpaca and a gray sheep shorn of its fur Matching outfits: Both animal buddies had on purple and white kerchiefs tied around their necks Strange buddies: The party also featured a white duck and a fluffy brown rabbit Kirsten and Jesse's relationship was cemented when they appeared together on the second season of FX's anthology crime series Fargo, playing a married couple who become embroiled in organized crime violence. The two began dating in 2016, shortly after the series aired, and by 2018 they had gotten engaged. The couple welcomed Ennis on May 3, 2018, meaning his birthday celebration technically came one day late. Share or comment on this article: All rights reserved for this news site dailymail and under his responsibility