Olivia Culpo and her 23-year-old football player boyfriend Christina McCaffrey had some fun during self-isolation this weekend.The lovebirds threw a prom night as they partied with her sister Sophia as well as Christian's mother Lisa McCaffrey and several other members of his family.'Tonight is prom night w our quarantine crew,' said the Sports Illustrated model on social media. 'Lisa made all the boys do a "promposal" and now’s she torturing all of us with chores.' Fun times together:Olivia Culpo and her football player boyfriend Christina McCaffrey had some fun during self-isolation this weekend One big happy party:The lovebirds threw a prom night as they self-isolate with her sister Sophia as well as Christian's mother Lisa McCaffrey and.