Nancy Grace landed in last place on Monday's Halloween-themed episode.
Another celebrity will be dismissed during Tuesday's installment of the hit ABC show.
Each contestant performed two dances Monday: One with their professional partners, and a team dance with two other couples.
Lake earned 53 points out of 60 for her two dances. Rob Kardashian finished second with 51 points, followed by soccer star Hope Solo with 50. Actor and Iraq veteran J.R. Martinez collected 48 points, one more than David Arquette. Grace finished with 44.
Judges' scores are combined with viewer votes to determine which celebrity contestant is ousted each week.