In the words of Snoop Dogg, you can’t outdo the queen. The Voice coaches Reba McEntire and Gwen Stefani recently got into a push-up contest on-set, and it quickly became clear that McEntire’s not slacking on her exercise routine. She got down on all fours and quickly got to work, showing off perfect form. From the clip posted on social media, it doesn’t look like Stefani even did a single push-up. She was still stretching while McEntire was a few reps in, and once she saw the country legend’s game face, she ran away in mock intimidation. Meanwhile, the Voice‘s male coaches — Snoop and Michael …