I have seen several Heather Locklear photos from a same set either labeled "TJ Hooker/CBS" or "Dynasty/ABC". https://www.moviestillsdb.com/tv/tj-hooker-i83486?g=40986
This extravagant red dress with matching gloves, was worn in the season 6 finale of Dynasty, during one of those famous catfights.
S6.E31 "The Vendetta"
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Moved + corrected. Thank you!