By Caroline Gaspich 1000-lb Sisters star Amy Slaton hilariously shot down rumours that she’s back together with her ex-husband Michael Halterman after the public demise of their marriage. The former reality star took to TikTok this week shutting down romance rumours between her and her ex with a side-splitting video. In the clip, white text over a black background read: “Are you and Michael back together” and a few seconds later “Hell no.” The comedic timing matched perfectly with the audio as Love is a Drug by WIZ 36IX blasted in the background. Amy’s fans flooded the comments of the video pr…