Lana Del Rey shot down the ridiculous rumor she scored an insane pay day for singing at Kim Kardashian’s wedding to Kanye West … telling TMZ she did it for nothing. One report had Lana’s fee at a whopping $2.8 million … but at LAX, a very friendly Del Rey told TMZ’s photographer she didn’t receive a dime., adding, “I would never let a friend pay me to sing at a wedding.”