Article continues below advertisementSydney Sweeney is said to be plotting a provocative Oscars red-carpet appearance as Hollywood backlash over her politics and advertising work leaves her feeling sidelined, with sources telling OK! the actress is preparing to push back in the most visible way possible.The star, 28, who rose to prominence after landing the role of unhinged high schooler Cassie in HBO's Euphoria in 2019, has faced months of criticism following her "racist" American Eagle denim campaign and the resurfacing of her Republican voter registration.