But, unlike with Kravitz, the actor told GQ he didn't pursue the now year-old actress while they were working together. The bohemian brunette previously dated co-star Zac Efron. Just like her friend Kylie, there is a significant age gap between Bella and the year-old chart topper. Is Margot Robbie getting married? We started talking more on the promotion thing," Fassbender told the June issue of GQ.