Sisters Miley and Noah Cyrus around town!

So how are Noah and Miley related biologically? Trace Cyrus is Tish's son from a previous relationship. Brandi is Tish's daughter from her first marriage. They have different fathers from Noah. Christopher is Billy Ray's son from a previous relationship. He and Noah have a different mother. Confused yet!

Miley and Noah in London!
Miley and Noah talking about there great day!