Adele thought Elton John was a prank caller

London: When British singer Adele received a call from singer Elton John, she mistook him for a prankster and refused to talk to him.The 24-year-old said she received a call from John before she was due to attend the Grammy Awards ceremony this year.[caption id="attachment_332781" align="alignleft" width="380" caption="Reuters"][/caption]"I had no idea who it was and he just started chatting away to me and I passed the phone over to a friend and I was like 'Yeah, it's Elton'," contactmusic.com quoted Adele as saying."It still cracks me up. It made me think my god, it's another level now," she added.IANS