We can only imagine that singing anything to Diana Ross, the queen of Motown/disco/funk etc, is daunting.
Which is why, perhaps, it was suggested that for the legend's 75th birthday, Beyoncé was the natural choice to pay homage by singing Happy Birthday.
On Tuesday evening, two queens came together, at the A-list filled party in Los Angeles to celebrate Diana's birthday.
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Khloe Kardashian was another guest to attend and did everyone a solid by capturing moments from the night on her phone (god bless you, Khloe).
In a video shared to her Instagram stories, Diana's daughter, the Black-Ish actress Tracee Ellis-Ross, says it's time to sing but she doesn't want to be the person holding the microphone when that's happening (we feel ya).
'Wait, Beyoncé, are you still here? Do you want to sing Happy Birthday?' Tracee asks, in a bid to find a very wise solution.
Thankfully, Beyoncé did and proceeded to sing a song we all know extremely so well.
Other A-listers who joined the celebrations were Diana's son and daughter-in-law Evan Ross and Ashlee Simpson Ross, Puff Daddy, Kourtney Kardashian, Kris Jenner, Heidi Klum, Gabrielle Union Wade, Gayle King, Bette Midler and Bebe Rexha.
A pretty low key event, then.
Happy birthday, Diana!
Olivia Blair is Entertainment Editor (Luxury) at Hearst UK, working across ELLE, Esquire and Harper's Bazaar. Olivia covers all things entertainment and has interviewed the likes of Margot Robbie, Emma Stone, Michaela Coel and Ryan Gosling over the years.