You know what's annoying? When you know, point blank that you haven't done or said something, and no one believes you. Is my word not good enough to put your rumours to bed? All I can say to this is as long as you know you're in the right, and you know that your closest 'people' believe you or have your back then everything's okay.
Who cares what Justin thinks and who gives a dam about Chris' opinion of you, not me. Why is everyone always so infatuated about everyone else's lives...
In theory, it just goes to show how boring their lives must be. Take it as a compliment, you're like the Kim Kardashian of your inner circle of friends.
In the end of the day, as long as you're happy and you have the ability to ignore everyone opinion of you then Bobs your uncle. I suppose all I can say is it going to matter in a week and if so a month and if so a year?
Take a breath and relax, dream of the future and do what you want to do.