Yes, Alice was still working close to Vesper, considering they'd been near each other the whole time and her knee's issue today didn't really encourage moving. Yes, she could hear tiny tidbits of her conversation. Yes, she noticed the glare before she chained up her dummy each time.

... and was kind of confused as to why she was on the receiving end of them, but the seventh year just shrunk a little and went to go find a dummy farther away from that particular Ravenclaw until Romanos gave them further instructions.

When she did, Alice was tempted to go take a seat in the stands, but in case the winning house got points... yeah. Okay. She'd participate. Whatever.