Is Addison rea and Bryce hall brother and sister?

People on hype house members say Bryce hall and Addison look just alike. One girl by the name Charli D’Amelio says that Addison talked to her and told her Bryce may be my brother, Charli D’Amelio then went to tell her sister Dixie D’Amelio says that Addison and Bryce hall left there water bottle out and the D’Amelio sisters went to get a DNA test done and they found out that they are brother and sister Dixie D’Amelio made a posted about along time ago then delete 2 minutes later.