DETROIT — Superstar entertainer Elton John paid tribute to the Queen of Soul Aretha Franklin during one of two dynamic shows at Little Caesars Arena this week, saying even as she battled cancer, she performed at one of his shows. Wearing his signature sparkly glasses and sitting at his piano Wednesday for his second Detroit show during his “Farewell Yellow Brick Road” tour, John said one of Franklin’s final performances was at one of his concerts and she “was so ill.” Franklin died in 2018 after battling pancreatic cancer. She was 76. “I love her so much and I still do,” said John. “I have so …