Nancy Grace and partner Tristan MacManus ended a lengthy and enjoyable run on Dancing with the Stars Tuesday night, and although the Headline News host is no longer in the competition, she insists she couldn't be happier. MORE: Chynna Phillips: 'DWTS' is Like A High-wire Act Just one week shy of the semi-finals is an undeniably difficult time to get the boot, but Nancy tells Entertainment Tonight that keeping a positive frame of mind is her secret.