Indigo often automatically filters out the 'non-essential' messages over the omnicomms, though she sometimes looks at the unfiltered list, just to see if anything's come up. She'd kicked herself when she discovered that a dance had been announced and she'd missed a part of it.

Indigo loved dancing, especially in clubs.

So, when she steps into the Sensoriums, she automatically wraps herself in jeans and a T-shirt. A quick once-over reveals that it's not very full, and her face falls. Oh well. She perks up a bit again. At least there was some fun to be had?