By Andrew Holleran Merry Christmas Eve, everyone. Olivia Dunne is celebrating Christmas back home in New Jersey. The LSU Tigers All-American gymnast took to social media on Sunday evening. The All-American gymnast’s Christmas Eve outfit is going viral on social media. “Merry Christmas ya filthy animal😼,” she wrote. Dunne has been celebrating Christmas back home in the New York City area. She and her boyfriend, Pittsburgh Pirates pitcher Paul Skenes, enjoyed time out in the city on Saturday. “Best tour guide in town @livvydunne,” he wrote. Dunne is in the final season of her college career, in …