Simone Biles has shared her support for Winter Olympics star Mikaela Shiffrin after she posted a heartbreaking message to fans.MORE: Simone Biles is engaged! See the heartwarming proposal and stunning ringMikaela took to social media to share a powerful message about the online hate and trolling she has received as she struggled through the 2022 Beijing Winter Olympics. Mikeala was one of Team USA's big hopefuls but she failed to finish the women's combined event, and lost control during the opening few seconds of her run in the giant slalom; Mikeala was defending her 2018 gold medal.WATCH: Simone Biles falls off mat during Tokyo 2020 qualifying roundsShe fell and skied out, ending her 30-race streak, and ended up being disqualified from the event."I know this all too well.