Pass the tissues. it's the end of an era.  Nina Dobrev got emotional in her latest Instagram post celebrating her boyfriend Shaun White, who is done competing in the 2022 Beijing Winter Olympics and officially retired from the sport.   The post shares candids of Shaun at the Olympics, carrying his board by his side on the slopes. In the final photo, we see the couple together in the snow, Nina in yellow resting her head on his helmet while he sits in front of her geared up for competition.  The Love Hard actress captioned the post, "I'm in awe of you. Today we are celebrating you. Your hard work. Your passion. Your determination. Your talent. Your class....