Yes, it's true: Erin Silver is Kelly and David's sister. She goes by the simple name of "Silver" and is described as a "wannabe socialite with her own Youtube series." The name of this series is "Answers to Life's Inane Questions Answered by a 15 year-old in a Bikini."
You can call me Erin, but I won't respond.Silver
You'll learn to dig me, trust me.Silver