Bruno Mars

<p>Watch as Don't Worry Darling director Olivia Wilde lets her hair down - and dances to Bruno Mars.<br></p><p>The actress, 38, was spotted an afterparty for a Gucci fashion show in Los Angeles.</p><p>Video shows Olivia enjoying herself with friends at the event, which was said to have been attended by several other A listers.</p><p>She is wearing a black jacket and black dress as she dances to Mars' Uptown Funk inside the packed out venue.</p><p>An onlooker said of the party: "She'd just attended a Gucci show on Hollywood Boulevard and was at the official afterparty at a nearby hotel.</p><p>"She was with two friends at the venue and looked really relaxed the whole time.</p><p>"I also saw Lizzo, Miley Cyrus, and Jared Leto in attendance, so there were quite a few famous faces - it was a lively night."</p><p>The video was filmed on November 2, 2021.</p><p>Wilde recently directed and starred in the new thriller Don't Worry Darling alongside boyfriend Harry Styles.<br></p>