Kirsten Dunst and her fiancé Jesse Plemons are reportedly expecting their first child together.

The 35-year-old actress and her 'Fargo' co-star have only been engaged for a year, but Us Weekly reports that they are set to welcome a little girl or boy into the world in the coming months.

In June, the 'Hidden Figures' star - who first met Jesse on season two of the US drama series in 2015 - expressed her desire to start a family after working tirelessly over the past three decades, as she feels now is the perfect time to settle down.

Speaking about her plans for the future, she said at the time: ''I'm at a stage in my life where I'm like, I've been working since I was 3. It's time to have babies and chill.''

However, the American star previously claimed she had never felt broody, until she became a godmother to her best friend Molly's daughter Lily.

She explained: ''I wasn't one of those 'I need a baby!' people until my goddaughter was born. I love her so much.

''That love is just like ... you can't experience that unless you have a kid. I put her to bed last night and she woke up this morning and said to her mom, 'Where's Kiki?' I just love that love. That's what I want.''

The couple are believed to be getting married next Spring in Austin, Texas.

However, when asked when they plan on getting hitched, Kirsten said previously: ''We have a time frame, but that's private.''

And when asked about their ceremony, Kirsten said it will be an intimate affair with just close family and friends.

She said: ''Courthouse, dinner party and DJ with friends and family.

I'll treat it like it would be my fortieth birthday.''