As Laila is bottom of the leaderboard, she would have to top the public vote to overhaul Ricky. I really don't think that's going to happen; Chris looks a shoo-in to top the public vote, therefore, Laila will be in the dance off as she'll be behind both Ricky and Chris even if she comes second with the public.
The other participant in the dance off will be interesting as it could tell us which one of Ali or Ricky got more votes this week.