Jennifer Aniston became a trending topic on Twitter on Saturday, December 26, after she shared a photo of her new Christmas tree ornament.The Friends alum, 51, posted a pic on her Instagram Stories on Christmas Day that showed her holding a simple round wooden ornament engraved with the words “Our first pandemic 2020.”“I love this! Thanks Jennifer Aniston for having a sense of humor!” one fan tweeted along with the pic.But another wrote, “Jennifer Aniston is a damn fool for posting that ornament