Our 2yr 9mth girl is mostly well potty trained, no accidents since 2 yes. But she's well monitored by mom who brings her to potty on a regular schedule. When mom is not home, she will tell me she needs to go. But sometimes she won't tell mom when we're all here or just Mom, she'll start doing the weewee dance. Today was the first time she “leaked”. How should we approach this? Right now she needs us to get into the bathroom. Many thanks in advance.