The 41-year-old actress showed off her stunning figure in a tiny brown polka dot bikini as she ran along the beach in Malibu, California.
But while Minnie appeared to be enjoying herself on the holiday, she perhaps hadn't anticipated how cold the ocean would be - squealing as she dipped her toe into the sea.
Yummy mummy: Minnie Driver shows off her enviable figure on the beach in Malibu, California
Great shape: The actress, who showed off her curves in a polka dot two-piece, squealed as she ran into the sea
The Motherhood star is enjoying a break in California with her two-year-old son Henry, who seemed thrilled with the chance to build sandcastles on the beach.
Minnie looked in great shape on the beach, showing off her toned stomach and enviable figure in the pretty bikini.
She also displayed the rose tattoo on her upper thigh which usually remains hidden.
Mummy and me: Minnie's two-year-old son Henry appeared to be enjoying himself with a bucket and spade
While the actress has remained silent on the identity of Henry's father, she admitted recently she is keen to extend her family further in the future.
Painted lady: Minnie also displayed the rose tattoo on her upper thigh
She said: 'Henry's dad and I probably wouldn't have any more together, but I would love to have more.
'But I couldn't do another one without a partner; I couldn't do two as a single mum, I really couldn't. It would be too much.'
Minnie has kept mum on the subject of who Henry's father is, although multiple news sources have reported that he is Craig Zollezi, an ex-boyfriend of the actress.
All Minnie has said on the matter is: 'He's English and in the same sort of business, and he lives in California. Everybody is cool with the situation.'
However, she did add recently that she has a great relationship with Henry's father, adding: 'I'm so grateful for Henry's dad.
'He's really cool and he loves Hen and they have a great relationship.'