The 70-year-old singer is a huge fan of the "Hello" hitmaker and would love to either write a track or record a duet with her, reported Digital Spy.
"I love her, love her, love her! Did you notice I used her name in one of the songs on the album? On the track 'Head Over High Heels', when I say I put on my tight dress, hair piled on my head, painting my lips red and my eyes like Adele! I love her!
"I would love to do something with her. I just love her. I love how she looks, I love how she sings, I love how she is. I would love to do something with her.
She is also keen to work with Bieber or Timberlake - but only if they approach her so it doesn't seem as if she's taking advantage of their popularity.
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