Rebel Wilson has flown to Fiji to shoot a secret project and couldn't help but tease fans with sneak peeks – including a stunning video of herself twirling in a flirty red dress.MORE: Rebel Wilson is a beach goddess in strapless swimsuit in gorgeous new photoThe actress shared the clip on her Instagram and wrote: "Discovering happiness …and sooooo much more (to be revealed soon)."WATCH: Rebel Wilson stuns in gorgeous red dressThe 41-year-old later shared more updates on her Stories, including