Then you're going to LIVE for this video!!!
She's gone undercover -- and she OWNS it!
Ch-ch-check out the video for Birthday here (above)!
This must have been such a LOVELY day!
And the party begins………:)
But apparently, the party had started the night before, when her brother-in-law Jay-Z closed out his headlining night at Hackney and immediately treated her to champagne and birthday cake backstage when the clock struck midnight!
Nothing better than spending quality time with your family and loves one!
And in as exciting a place as London!
Happy happy to you, Solange! Hope you had a great day!
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