Article continues below advertisementBrooks Nader is not letting her ex Gleb Savchenko's "petty" behavior slide.During the Thursday, November 20, episode of "Olivia's House," the reality star, 28, dragged her former Dancing With the Stars partner and boyfriend.Nader expressed frustration over Savchenko bashing her on Instagram Live one year after their initial breakup.Article continues below advertisementSource: Olivia's House/YouTubeBrooks Nader was a guest star on 'Olivia's House.'"Everyone was like, 'Ugh, we're still talking about this. You're still bitter.