DWTS All-Stars Week 7: Peta Murgatroyd and Gilles Marini's Sexy Argentine Tango/Samba Fusion Dance (VIDEO) Tweet November 5, 2012 at 09:54PM EST by Wetpaint Entertainment Staff Related: Dancing With The Stars, Peta Murgatroyd , Gilles Marini , Season 15 Episode 13 Credit: YouTube Peta Murgatroyd and Gilles Marini's sensual Argentine Tango/Samba Fusion Dance for DWTS All-Stars Week 7.