My mother does that too for all of us, for her children, my father... The simple quote is- Bas! Khush? Tumhe jaise achha lagta hai, waisa hi pehna hai... And the smiles that come on our faces is the smile that comes on my mother's...
There was no show off there, atleast I didn't feel that until she was talking to Dev...
Though the blatant answer to Sona was a different issue, but other than that I found it pretty natural and ok...