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."

Erin Silver Quotes

You can call me Erin, but I won't respond.

Silver

You'll learn to dig me, trust me.

Silver

90210 Quotes

We're not just friends, we're a family. And nobody messes with my family.

Annie

Adrianna: I think we've waited long enough.
Navid: For...?
Adrianna: Yeah.