Catherine Zeta-Jones celebrated Easter Sunday with her followers on Instagram, sharing a sweet throwback snapshot of her and her "bunny", husband Michael Douglas.The Welsh actress, 51, posted a picture showing the couple stood together on a rooftop overlooking Jerusalem, with their arms wrapped around each other.She wrote: "Happy Easter! Remembering my time in Jerusalem today, with my bunny, oops sorry, my honey Michael." WATCH: Catherine Zeta Jones makes hilarious comment about Michael Douglas