Dining Outside the Home: Yolös Mexican Grill in Las Vegas, Nevada! Every place has a story behind their name, so this place is no exception. Yolo! You Only Live Once! Head over to Planet Hollywood to get the party started. Yolös Mexican Grill has your number and it’s lucky number 7. Check out Happy Hour for amazing fresh fruit margaritas. Chilled and icy. Try any number of specialty foods with Mexican, Pacific Rim, South American, and Caribbean influences. The salsas are out of this world delicious. Habanero Papaya, Tomatillo, Roasted Tomato, Diablo. Make your next stop among the glowing lights of an urban cantina. You only live once.