Getting yesterday date

Is there any simple way that i can get yesterday dates ?? for your information, the date format that i am using is MM/dd/yy.

VB Code:

Public Function GetYesterday()
  GetYesterday=DateAdd("d",-1,now)
End Function

VB Code:

MsgBox Format$(DateAdd("d", -1, Now), "MM/dd/yy")

MsgBox Date-1