Sacha Baron Cohen‘s fiancé, Wedding Crashers actress Isla Fisher, 32, played with the couple’s daughter Olive at Coldwater Park in Beverly Hills, California, on Wednesday.

Olive turned one last month in superstar-studded style, with the likes of Jonah Hill, Courtney Cox, Jennifer Aniston and Ellen DeGeneres attending her birthday party.

With dad Cohen, 37, jetting around the world shooting Bruno: Delicious Journeys Through America for the Purpose of Making Heterosexual Male—and occasionally getting arrested in the process—Fisher has been free to treat Olive to the more mundane things of life in Los Angeles.

Whether it’s playground swings, city sidewalks or shopping for clothes, the little tyke has appeared in public seeming down-to-earth and unperturbed by her pop’s Borat-type shenanigans.

But just wait until Isla’s Confessions of a Shopaholic hits theaters in 2009 and Mama gets busy.  Little baby Olive may need to look to her grandma for her park excursions.

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