The Rolling Stones have reportedly asked Adele to join them onstage when they take their 50 and Counting tour to London's Hyde Park in July.
An insider, speaking with The Sun, says that the deal has not been made official yet, Adele being only "50/50 that she'll do it":
"The Stones would love to get Adele on with them. It would be a massive coup, even for them, because she's been a bit reclusive since her son Angelo James was born. She is the name they want to announce as their special guest - and their invite should be special enough to get her out on stage."
The Stones have had a plethora of big name female singers join them onstage for their anniversary tour, including Lady Gaga, Florence Welch and Taylor Swift.
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