what is { With bells on } ?
"Of course I'll be there - with bells on!"

Question

Answer

You're so excited, you'll dress up specially for it. And you will wear bells.

Figuratively, of course. :)

Answer

With enthusiasm, energy and emotion... ready to go and participate. 
(-:

Answer

"with bells on" means you do it with a lot of interest and energy (with a lot of enthusiasm)

Answer

I'm looking forward to it.  I'm not coming because it's an obligation.  I'm coming because I want to be there. I will be very enthusiastic / ready for fun.

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