"I did tell her about the show right before I started, but I didn't tell her about the Single Ladies (dance). I'm sure she knows about it, though. She always does her homework on stuff like that and watches over people. Knowing her, she probably knows exactly what I'm doing all the time." GLEE star HEATHER MORRIS is convinced BEYONCE will be pleased with the musical series' tribute to her SINGLE LADIES video. Morris was once the R&B superstar's back-up dancer.