My elder sister wedding. Should i pack ang bao for her?

DaV<3333 SG

Some of them say yes to pack ang bao and some say no need. alamak!

M the name SG

Colleague's Wedding Ang Bao - How much is enough? : http://sg.finance.yahoo.com/news/colleagues-wedding-ang-bao-much-enough-132207899--finance.html